CEDH · CASELAW;DECISIONS;ADMISSIBILITY;ENG — 4 juillet 2000

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Palm, President ,   Mrs   W. Thomassen,   Mr   Gaukur Jörundsson,   Mr   R. Türmen,   Mr   C. Bîrsan,   Mr   J. Casadevall,   Mr   R. Maruste, judges , and   Mr   M. O'Boyle, Section Registrar ,     Having regard to the above application introduced with the European Commission of Human Rights on 20 August 1998 and registered on 28 August 1998,     Having regard to Article 5 § 2 of Protocol No. 11 to the Convention, by which the competence to examine the application was transferred to the Court,     Having deliberated, decides as follows: THE FACTS     The applicant is a Netherlands national, born in 1961 and, as far as the Court is aware, living in Amsterdam (Netherlands). He is represented before the Court by Ms   T.N.M.B. Spronken, a lawyer practising in Maastricht (Netherlands), and Ms A.G. van der Plas, a lawyer practising in Amsterdam.   A.   The circumstances of the case     1.   Background to the case     The facts of the case, as submitted by the applicant, may be summarised as follows.     On 22 July 1994 an Audi car belonging to one Blanker was searched by the police. Inside it were found a sum of money, mostly in foreign currency, to an amount equivalent to approximately 2,2 million NLG (Netherlands guilders), a baseball cap, a forged driving license bearing the applicant's picture but another person's name, an unopened letter addressed to the applicant, some keys and a mobile telephone.     In early August 1994, the exact date is not known, an informant whose identity was never disclosed stated to a police officer called Van Looijen, head of the Amsterdam section of the State Criminal Intelligence Department ( Rijks Criminele Inlichtingen Dienst , “RCID”), that the applicant was using a house located at Newtonstraat No. 40 in Amsterdam to store firearms. A consignment of weapons had recently been delivered there by a four-wheel-drive off-road vehicle in which the applicant had been a passenger and another person the driver.   The Newtonstraat house was inhabited by one Belinfante, a close friend of the applicant from childhood; the applicant had at one time lived there too. At another period of his life he had lived in the house next door and his mother still lived there.     On 3 August 1994 the police raided the Newtonstraat house. According to the official report of the event later drawn up, they found ninety-three kilograms of cocaine, three sub-machine guns, a gun silencer, two bayonets, ten live hand grenades, fifty-six kilograms of Iremite high explosive, eight bolt-action rifles, nine automatic pistols, two revolvers, seven sawn-off shotguns and nearly twenty-seven thousand rounds of live ammunition. These items were packaged in sports bags and in dustbin liners wrapped with adhesive tape. A second mobile telephone was also found.     It appears from a police report dated 9 August 1994 that one of the keys found in the Audi car fitted the door of the Newtonstraat house. Another fitted the door of the applicant's residence.     The applicant was arrested on 27 April 1995 in an Amsterdam coffee shop. According to the official police report later drawn up of this event, he was carrying a pistol loaded with eighteen rounds of live ammunition.   In the case against Blanker, which had begun before the applicant's case, a hearing was held before Amsterdam Court of Appeal on 18 July 1995. Police Officer Van Looijen was heard as a witness with regard to the character and reliability of the anonymous informant. He stated that the informant was considered very reliable, having provided reliable information in the past, but refused to give any other information at all – not even the precise date on which the weapons were delivered – so as not to place the informant's life in danger. The date of delivery was given as “after 7 July 1994”. The official record of this hearing, including Police Officer Van Looijen's statement, made its way into the file of the applicant's case.   On 3 August 1995 Blanker's father was questioned by the Belgian police ( Rijkswacht ). He stated that he had been tricked by his son into unwittingly overseeing the transport by air of thirty-four kilograms of cocaine from Buenos Aires to Brussels, from there to Amsterdam and on to Germany. The cocaine had been intercepted at Zaventem (Brussels) Airport on 19   July 1994.     On 5 September 1995 police officers drew up a telephone metering report from which it appeared that the mobile telephone found in the Audi car had been used on several occasions to call the telephone found in the Newtonstraat house, most recently shortly before the Audi car was searched. Other information, such as the mention (in an address list belonging to another person) of the applicant's first name next to the number of the telephone found in the Audi car and a statement of a (named) informant that the applicant had used that car, suggested that the telephone found in the car had been used by the applicant.     2.   Criminal proceedings against the applicant   Proceedings in the Regional Court   On 28 April 1995, the day following his arrest, the applicant was taken into police custody ( inverzekeringstelling ) on charges of taking part in a criminal organisation, possession of the ninety-three kilograms of cocaine and the arms, ammunition and high explosive found in the Newtonstraat house, and possession of the pistol and ammunition he had been carrying at the time of his arrest.     On 1 May 1995 the Investigating Judge ( rechter-commissaris ) ordered the applicant taken into initial detention on remand ( inbewaringstelling ).     On 4 May 1995, after a hearing in camera , the Regional Court ( Arrondissementsrechtbank ) of Amsterdam ordered the applicant taken into extended detention on remand ( gevangenhouding ).     The applicant appealed against the decision of the Regional Court. On 31 May 1995, after a hearing in camera , the Court of Appel ( Gerechtshof ) of Amsterdam overturned the decision of the Regional Court and ordered the applicant's release.     The trial hearing opened on 25 July 1995. The applicant denied all charges.     The occupant of the Newtonstreet house, Belinfante, was heard as a witness. He stated that it was incorrect that the applicant had delivered weapons to his house using a Toyota Land Cruiser. The applicant had nothing to do with the weapons. Two other individuals, whom he refused to name (being himself accused in connection with these dealings), had delivered the weapons, using a delivery van ( bestelbus ). The applicant had visited the house to retrieve some diving equipment, which he had left there, before going on holiday; it was possible that he might have touched some other items in the process, leaving his fingerprints.     The owner of the Audi car, Blanker, was also heard as a witness. He stated that his wife owned a Toyota Land Cruiser, registered in her name since 7 July 1994, and denied that it had been lent to anyone after that date. He denied knowing the applicant and denied having seen him in the aeroplane on the way to the United States.     At the request of the Public Prosecutor the Regional Court drew up a separate record of the statements of Belinfante and Blanker to support a possible later prosecution on perjury charges. The Court has not been informed of any further proceedings in this matter.     Also at the request of the Public Prosecutor the Regional Court ordered the applicant arrested in court and detained on remand. The reasons given were that it appeared from information which had come to light since 31 May 1995, when the Court of Appeal ordered his release, that there was a prima facie case against the applicant, that he was likely to abscond and that he might reoffend.     The Regional Court then referred the case back to the Investigating Judge in order to have the anonymous informant heard as a witness.     On 28 July 1995 the Public Prosecutor lodged an application to the Investigating Judge to interrogate a threatened witness and keep his/her identity concealed. A copy of this document, which refers in general terms to Articles 226a – 226f of the Code of Criminal Procedure ( Wetboek van Strafvordering ) but does not give any indication concerning the witness him/herself, was made available to the defence.     On 10 August the Investigating Judge, Judge Faber, heard the applicant and the Public Prosecutor before coming to a decision. The applicant's counsel was invited to be heard but did not turn up. The applicant himself submitted a handwritten statement. He denied that there was any threat to the witness, stating that he had not threatened anyone and that he had never been convicted of any crimes involving violence.   The same day Investigating Judge Faber ordered that the witness's identity remain concealed. Her finding that the witness was in fact threatened was phrased as follows:   “Considering that in view of the statements made by the witness to [the police], as related to the Investigating Judge by [Police Officer] J.C. van Looijen, and the statement made by the witness to the Investigating Judge, as related in my ... official record of my findings ( proces-verbaal van bevindingen ), it is not unlikely that the witness has reason to fear for the life, the health or the safety of the witness or his/her immediate surroundings;”   Investigating Judge Faber's official record of her findings, referred to in her decision, includes the following:   “I informed this person of the matters on which I wished to interrogate him/her and asked him/her why he/she wished to remain anonymous. The person answered that he/she has heard stories about the accused [i.e. the applicant] and his circle of friends, from which it would appear that the accused and his circle of friends are involved in shady business ( duistere praktijken ). The accused reportedly moves in criminal circles. These things which the person has heard, in combination with what he/she has seen and will make a statement about, namely persons including the accused carrying a large number of large firearms, puts the person in great fear. In addition, the person also gave an explanation of his/her situation, in which he/she feels vulnerable. The person is afraid of a drastic interference with his/her personal life if his/her identity becomes known to the accused and his circle of friends. The person informed me that he/she definitely did not want to testify under his/her own name. I, Investigating Judge, have discussed with the person whether he/she has a criminal record ( strafrechtelijke antecedenten ) and whether there was any relationship between the person and the accused, and also the person's reputation and family situation. The person made a reliable and balanced impression on me, Investigating Judge. When asked, the registrar expressed the same opinion. After my conversation with the above-mentioned person [police officer] J.C. van Looijen ... informed me of the above-mentioned person's situation. What I was told by Mr van Looijen corresponds to what the person told me him/herself and confirmed the vulnerability of the person's situation.”     The applicant's counsel appealed against the Investigating Judge's decision on 21   August 1995, as did the applicant himself the following day.     Also on 21 August 1995 Investigating Judge Faber wrote to the applicant's counsel informing him of her intention to interrogate the anonymous witness on 26 August. The actual interrogation would be held in a room in which the registrar and Police Officer Van Looijen would be present in addition to the witness and herself; Police Officer Van Looijen would be able to help her decide which questions to prevent in the interest of the witness's safety.     On 24 August 1995 the applicant's counsel wrote to the Investigating Judge objecting against the presence of Police Officer Van Looijen in the same room as the anonymous witness and asked her not to allow any other person into the presence of the witness, the registrar and herself.     A three-judge chamber of the Regional Court held a hearing in camera on 25 August 1995. The applicant was present in person, assisted by his counsel. He asked for an adjournment, as he had only been informed of the date of the hearing the previous day and had had no time to discuss matters with his counsel. This was denied on the ground that the applicant had had the time since lodging his appeal, three days before, to consult his counsel; the hearing then proceeded.     The same day the Regional Court dismissed the appeal. Its reasoning included the following:   “Counsel argued in camera that, contrary to decisions in similar cases of this Regional Court and the Court of Appeal of Amsterdam, not only the reasonableness, but also the merits of the decision of the Investigating Judge should be examined ( niet alleen marginaal, doch ook inhoudelijk dient te worden getoetst ).   In the present case the Regional Court does not consider it necessary to go into the merits of the decision of the Investigating Judge. In the opinion of the Regional Court the Investigating Judge has sufficiently checked the reasons for granting the witness anonymity. The Regional Court considers in this regard that it appears from the Investigating Judge's official report of her findings that the witness's situation is one of vulnerability, a circumstance for which the Investigating Judge has accounted by obtaining information from [Police Officer] J.C. van Looijen. Counsel's request will therefore be refused.   The Regional Court considers it credible ( aannemelijk ) on the basis of the Investigating Judge's official report of her findings, the content of the statement of J.C. van Looijen made at the public hearing of the Court of Appeal of Amsterdam on 18 July 1995, and the nature and importance of the crimes with which the accused is charged, that the witness has reason to fear for the life, health and safety of the witness him/herself and his/her direct surroundings.   The witness has therefore rightly been granted the status of threatened witness, which means that the appeal against the decision of the Investigating Judge must be dismissed.”   The interrogation of the anonymous witness took place the following day. The witness was sworn in. It appears from the Investigating Judge's official record of the occasion that, in addition to the Investigating Judge, the registrar, a police officer called Van Es (operating the sound link) and another police officer, called De Waart (as listener-in, toehoorder ), were present in the same room as the witness. The Public Prosecutor, the applicant's counsel, a police officer operating the sound link and the Procurator General of the Amsterdam Court of Appeal as listener-in were in another room. The sound link involved voice distortion. The witness's answers were first heard by the Investigating Judge with the sound link switched off, then, if the Investigating Judge found that the answer did not jeopardise the witness's safety, repeated through the sound link so that the persons in the other room could hear.   The Investigating Judge's official record includes the following:   “I, Investigating Judge, have spoken with the witness both within the framework of the proceedings under Article 226a § 2 of the Code of Criminal Procedure and prior to the interrogation, the registrar, M.D. Jansen, being present. On these occasions the reasons why the witness wished to make a statement were discussed. On the first occasion the witness appeared worried about the risk of his/heir identity being disclosed. Prior to the interrogation the witness appeared reassured about the measures taken to prevent this from happening.   The witness made on us, Investigating Judge and registrar, a direct, frank and sober impression.   In view of the witness's answers during the two above-mentioned conversations, the way the witness behaved and the way the subsequent interrogation went, we, Investigating Judge and Registrar, come to the conclusion that the witness gives us an impression of reliability.”   The applicant's counsel had previously submitted 90 questions by fax. The Investigating Judge's official record lists the questions which were not allowed, giving the reasons why not (mostly irrelevance or concern for the witness's safety).   The witness described the applicant as “a tall man, with fair, slightly curly hair, thin, about thirty years old, normal hair, slightly balding above the temples ( een beetje inhammen ), no spectacles or moustache”. He/she had positively recognised the applicant when he was unloading weapons wrapped in dustbin liners, sports bags and a heavy box. The question whether the witness knew the applicant, put by the prosecution, was not allowed in the interests of ensuring the witness's safety. The question, put by the defence, on what day of the week the witness saw the applicant unload the weapons was not allowed either, for the same reason. The interrogation took from 12 noon until 4.10 p.m. During the interrogation the witness made an outline drawing of the vehicle used to transport the weapons, which was transmitted by fax to the room where the applicant's counsel and the prosecutor were. The vehicle was a delivery van with an outline apparently different from that of a Toyota Land Cruiser: it had a sloping front instead of a protruding bonnet, and no spare wheel at the back.   On 20 September 1995 Blanker's counsel wrote to the applicant's counsel stating that the anonymous witness, when interrogated by the police in the presence of the Procurator General and the Public Prosecutor in addition to himself, had specified the date on which the weapons were delivered as “between 1 and 7 July [1994]”. He/she had given this information after it had been pointed out that, according to the calendar, “the first week of July” in 1994 was from 1 until 3 July.   On 5 October 1995 the applicant's counsel wrote to the Public Prosecutor asking for further witnesses to be brought forward. These included the wife of Blanker, who was the owner of the Toyota Land Cruiser allegedly used to transport the weapons, and Investigating Judge Faber. The applicant's counsel made it clear that it was intended to determine with greater precision the date on which the delivery had taken place so as to establish the applicant's alibi.     The hearing before Amsterdam Regional Court resumed on 10 October 1995. Investigating Judge Faber was heard as a witness. She persisted in her refusal to mention the date on which the weapons were stated by the anonymous witness to have been delivered (Article 219a Code of Criminal Procedure – Wetboek van Strafvordering ). This was accepted by the Regional Court on the ground that it was in the nature of things that only the Investigating Judge could decide whether such a refusal was necessary.   Blanker was heard as a witness about the vehicle used for the delivery, which he stated to have been a Toyota Land Cruiser. It had come into his wife's possession no earlier than 7 July 1994.   Police Officer Van Looijen was heard as a witness. He stated that he was aware that the anonymous witness had stated before the Investigating Judge that the weapons were delivered at the beginning of July 1994, but that the anonymous witness was mistaken as to the date. The President of the Regional Court blocked a question relating to the day of the week on which the weapons were delivered. The registration number of the vehicle used was given by the anonymous witness to an unidentified RCID police officer, who gave it to Police Officer Van Looijen; Police Officer Van Looijen refused to say who this police officer was, and was dispensed from so doing by the President of the Regional Court.   The Regional Court viewed a video tape compiled from several tapes found in the house of Donald Groen. These showed a group of persons on various locations in the Netherlands, in the south of Spain and on a trip to Detroit to attend the football world championship. Weapons were occasionally shown. Members of the group were frequently shown brandishing a pistol. The applicant appeared in some of the scenes wearing a baseball cap; he was shown in the company of Blanker on the trip to Detroit, and Blanker was at one point shown laughing at a remark made by the applicant.   The applicant stated, inter alia , that he had been in Spain at the end of June 1994, but had returned to the Netherlands by 9 or 10 July. He further admitted that he had been carrying a pistol and ammunition when he was arrested on 27 April 1995. However, he denied having had anything to do with the delivery of weapons at the Newtonstraat house. He had left some diving equipment with Belinfante, which he had gone to pick up in the summer of 1994 before going on holiday; this explained the presence of his fingerprints on dustbin liners. He denied knowing Blanker.   Witnesses were heard about the Toyota Land Cruiser.   Addressing the Regional Court in the applicant's defence, the applicant's counsel stated that the only real indication that the anonymous witness was reliable was the statement of Police Officer Van Looijen and the subjective assessment of the Investigating Judge. He also protested against the refusal to allow the anonymous witness to give the date on which the weapons were delivered, which made it impossible to verify the applicants's alibi. Much was made of the applicant's alibi; of the Toyota Land Cruiser, which in counsel's submission could not have been the vehicle used for delivering the weapons; and of the description of the appearance of the man identified by the anonymous witness as the applicant – the description, counsel said, did not fit because the applicant was in fact quite bald. It was also denied that the applicant had anything to do with the cocaine or with the large sum of money found in the Audi.   On 24 October 1995 the Regional Court gave judgment finding the applicant guilty of all the crimes charged. It sentenced him to six years' imprisonment. The pistol and ammunition found in his possession when he was arrested was withdrawn from circulation ( onttrokken aan het verkeer ) and the money found in the Audi car was declared forfeit ( verbeurd ).   Proceedings in the Court of Appeal     The applicant appealed to the Court of Appeal of Amsterdam.     On 14 April 1996 Dr W.A. Wagenaar, professor of experimental psychology ( psychologische functieleer ) at the university of Leiden, transmitted to the applicant's counsel a report which he had prepared after studying the video tape. He came to the conclusion that the interactions between the applicant and Blanker, as recorded, suggested that they might have known each other by sight; however, it was also possible that they might have had no lasting memory of each other as the applicant claimed.     The hearing of the Court of Appeal opened on 3 May 1996. The used-car dealer who had sold the Toyota Land Cruiser to Blanker's wife was heard as a witness: he gave a date for its sale (6 July 1994). The applicant again denied having known Blanker before the trial. He also denied having had anything to do with the delivery of the weapons and the cocaine: on 22 July 1994 he had visited Belinfante's house in the Newtonstraat to retrieve his diving equipment, after which he had gone on holiday. Police Officer Van Looijen, heard as a witness, confirmed the statement he had made earlier. When the defence protested against the absence from the case-file of the fingerprint report of the Toyota Land Cruiser, the Procurator General stated that no usable fingerprints had been found. Parts of the compilation video tape were shown in open court. The defence also asked for inter alios Investigating Judge Faber to be heard as a witness. The Court of Appeal so ordered, adjourning the hearing until 28 May 1996.   The Court of Appeal ordered the applicant's release, overturning the decision of the Regional Court of 25 July 1995, on the ground that the new information relied on by the Regional Court was not such as to justify the second order for his detention on remand.     The hearing, having been adjourned, resumed on 28 May 1996. Investigating Judge Faber did not appear. An Army explosives expert was heard as a technical witness. A police officer, who had been present when the cocaine and the weapons were seized at the Newtonstraat house on 3 August 1994, showed some of the dustbin liners. These, according to the official record of the hearing as dictated by the President of the Court of Appeal, were made of grey plastic. Three of them had borne the applicant's fingerprints. Some still bore traces of adhesive tape. The police expert stated that the dustbin liners had all been wrapped around firearms, and that all objects that might have carried fingerprints had been checked for them. Diving equipment had also been found.     The hearing was continued on 15 October 1996. Investigating Judge Faber gave evidence. Her statement, as taken down in the official record of the hearing, included the following:   “You ask me how I came to the finding that this anonymous witness was reliable, as I indicated in the official record of the interrogation on 26 August 1995.   I spoke with the witness at some length. The way in which the witness reacted showed integrity. I asked some control questions to check reliability.   I noted during the interrogation that there is a certain amount of discrepancy between a delivery van and an “all-terrain vehicle” but this has not caused me to doubt the reliability of the witness. After all, I do not know in what terms a witness describes things.   ...   I reply as follows to questions put by counsel for the accused:   At the beginning of the interrogation session the witness did not know exactly when the delivery had taken place. Later that day he/she was able to indicate that it had been during the period from 1 July until 7 July 1994. On one single day the interrogations took place first in the case of the co-accused Blanker and then in the case of the present accused [i.e. the applicant]. I cannot now remember exactly all the differences in nuance between the two interrogations. Later that day the witness remembered a number of things more distinctly.   Things happened the way I described them in the official record. I have tried to take everything down with as much precision as possible.   ...   The witness was in my opinion reasonably positive on the date of the delivery. I cannot remember having heard the date. The date has not been taken down in my handwritten notes ( klad ).   The reliability of the witness was assessed before the beginning of the interrogation.   You now ask me why I stopped the question of [the applicant's counsel] as to the date of the delivery for reasons of protecting the source. I decline to answer that question. ...”     In their final address, counsel for the applicant referred in general terms to all the submissions made in the course of the first-instance proceedings. More specifically, they contested the veracity and accuracy of the statements made by the anonymous witness to the police and before the Investigating Judge. Reference was made to what the defence argued were inconsistencies, such as that between the vehicle described by the anonymous witness as a delivery van and the Toyota Land Cruiser identified as the vehicle used, and that between the physical appearance of the applicant as described by the anonymous witness and the applicant's actual physical appearance. Inconsistencies such as these ought, in the submission of the defence, to have inspired the Investigating Judge to greater caution when expressing herself on the subject of the witness's reliability. Moreover, one of a set of photographs taken in the Newtonstraat house showed a gun-shaped object wrapped in blue dustbin liners – the grey ones shown in open court were not shown in the photographs at all. The Court of Appeal was invited to express itself on these points. The defence also protested against the decision of the Investigating Judge to block certain questions, for example, that concerning the day of the week on which the anonymous witness had allegedly witnessed the events in question, which prevented the applicant from establishing his alibi.   Although admittedly the applicant's fingerprints had been found on some of the dustbin liners, they were, in the submission of the defence, capable of another explanation than the applicant's involvement in the crimes charged: the applicant and Belinfante were friends from childhood; the applicant had lived in the same house with Belinfante, his mother lived next door; and he was still a frequent visitor there, so that his fingerprints were to be found all over the place; the applicant had at some point had to shift some bags to get at some diving equipment; the weapons could have been repackaged in different dustbin liners between 1-7 July and 3 August 1994.   It was denied that the applicant had had anything to do with the items found in the Audi car on 22 July 1994. The letters addressed to the applicant had been unopened and had not yet been seen by the applicant. The mobile telephone found in the car was not traceable to the applicant: it had been used by Donald Groen.   Finally, the video showing both Blanker and the applicant did not admit of the conclusion that these two knew each other at all well.   The Court of Appeal gave judgment on 29 October 1996. It overturned the judgment of the Regional Court on the formal ground that the defence had wrongly been prevented from putting any questions to Investigating Judge Faber. It then found the applicant guilty as charged. The evidence relied on included, inter alia , the statement of the anonymous witness; the findings of Investigating Judge Faber as to the witness's reliability; the statement made on 19 September 1995 by Police Officer Van Looijen; the applicant's fingerprints on the dustbin liners; the fact that keys found in the Audi car fitted the doors of both the Newtonstraat house and the applicant's residence; metering reports from which it appeared that the mobile telephone had been used to make a call to the Newtonstraat house; and the official police reports from which it appeared that the mobile telephone in question had been used by the applicant. The applicant's statement that he did not know Blanker was dismissed as a transparent lie, in view of the video tape which showed Blanker laughing at a remark made by the applicant, and as such was considered corroborative of his guilt.   With regard to the reliability of the anonymous witness, the Court of Appeal's considerations included the following:   “Counsel for the accused has argued that [Investigating Judge Faber], on the occasion of the interrogation of the anonymous witness, has insufficiently discharged her duty as laid down by Article 226e of the Code of Criminal Procedure to check the reliability of the threatened witness interrogated by her, so that this statement cannot be used in evidence that the accused has committed the acts charged under 1, 2, 3 and 4. The Court of Appeal does not share this opinion of counsel, in view of what the Investigating Judge has recorded in her official record of the interrogation of 26 August 1995 and the statement she made at the appeal hearing on 15 October 1996. In so far as counsel may have meant to argue that the Court of Appeal is competent to judge whether the anonymous witness was properly granted the status of threatened witness, this argument must be rejected. In accordance with the procedure provided for in Articles 226a and following of the Code of Criminal Procedure the anonymous witness was considered to be a threatened witness and interrogated. Any renewed investigation by the trial court in light of the preconditions for granting the status of threatened witness is contrary to the procedure laid down by law and the closed system of legal remedies. The Court of Appeal finds that the statement of the anonymous/threatened witness, which does not support the conviction to a decisive extent ( in overwegende mate ) and which the Court of Appeal has used with due caution, is reliable and credible. The information of the witness as rendered by the [police] only differs on nonessential details from the statement made by the witness on oath more than a year later before the Investigating Judge, on which occasion the witness affirmed the accuracy of the statement made before the [police]. On that occasion also, the witness was interrogated by counsel for the accused. The statement is detailed and consistent and in accordance with what was found, based on the information supplied, in the house situated at Newtonstraat no. 40 in Amsterdam. The Court of Appeal bases this finding also on the statements of the Investigating Judge referred to [above]. This finding is not affected by the fact that the anonymous witness was dispensed from answering certain questions put by the defence, nor by the fact that the Investigating Judge, when heard as a witness, did not answer certain questions. The failure to answer these questions was, after all, legally permissible ( rechtens geoorloofd ) in each case and connected with, in particular, ensuring that the identity of the threatened witness was kept concealed. In so far as, during the interrogation before the Investigating Judge on 26 August 1995, the threatened witness did not answer certain questions, the Court of Appeal finds that the answers to the questions concerned could disclose the identity of the threatened witness. The Investigating Judge therefore acted properly in blocking these questions. In so far as the witness [Investigating Judge Faber] failed to answer certain questions at the hearing before the Court of Appeal on 15 October 1996, she stated her reasons for so doing and relied on her right to excuse herself from so doing. The defence has argued that she did not have such a right to excuse herself, but wrongly so. After all, the Investigating Judge has a right to excuse herself from answering questions under Article 219a, taken together with Article 284 § 4 of the Code of Criminal Procedure. It is in principle for the person claiming such a right to decide whether or not to excuse herself in this respect. From the nature of the questions in respect of which this witness excused herself it appears incontrovertibly that the questions relate to the subject matter – the identity of the threatened witness – in relation to which the right to excuse herself from answering was provided for. The Court is of the opinion that the Investigating Judge, when appearing as a witness at the hearing of 15 October 1996, properly relied on her right to excuse herself. In so far as the Investigating Judge, at the interrogation of the threatened witness, blocked certain questions because the answers were irrelevant to the case, the Court of Appeal finds that these questions were in fact irrelevant to the case in which the witness was being interrogated. The Investigating Judge therefore acted properly in blocking these questions. ... The Court of Appeal further finds that the statement of the anonymous/threatened witness may be used as evidence that the accused has committed the acts charged under 1, 2, 3 and 4, since it concerns the statement of a witness with respect to whom a court has ordered that on the occasion of his/her interrogation his/her identity shall remain concealed and the witness has been interrogated as such by the Investigating Judge in the way provided for by Articles 226c – 226f of the Code of Criminal Procedure, the facts charged and held proven concerning crimes as referred to in Article 67 §   1 of the Code of Criminal Procedure which, given their nature and the organised context in which they were committed, constitute a serious violation of the legal order. ...”     The Court of Appeal sentenced the applicant to, inter alia , a term of imprisonment of six years and eight months, withdrew the pistol and ammunition found in the applicant's possession when he was arrested from circulation and declared the money found in the Audi car forfeit. It did not, however, order the applicant arrested and detained there and then.   Proceedings in the Supreme Court     The applicant lodged an appeal on points of law to the Supreme Court ( Hoge Raad ), submitting an extensive statement of grounds of appeal.     The Supreme Court gave judgment on 30 June 1998. It dismissed the appeal in its entirety. Its reasoning, in so far as relevant to the case before the European Court, was as follows.     In response to a complaint that the Court of Appeal had failed itself to evaluate the alleged risk to the anonymous witness, the Supreme Court referred to the Explanatory Memorandum ( Memorie van Toelichting ) to the Bill enacting the relevant provisions of the Code of Criminal Procedure (see below), from which it appeared that it had been the intention of the legislature to remove this responsibility from the trial court; the Court of Appeal had therefore properly refused to go into this question anew. It was noted obiter dictum that no circumstances were apparent in the present case from which it would follow that the fairness of the proceedings had been adversely affected.     In response to a complaint that the defence had had insufficient opportunity adequately to question the witness and assess his/her reliability, it was noted that not only the defence but also the Public Prosecutor had been in a different room when the witness was interrogated; that the Investigating Judge had based the interrogation on, amongst other things, a list of questions submitted beforehand by the defence; that the applicant's counsel had asked additional questions and that questions had been blocked only in order to ensure the anonymity of the witness or because of irrelevance; and that the witness was apparently ( kennelijk ) not a police officer.   In response to a complaint that the applicant's conviction was based “to a decisive extent” on the results of the interrogation of the anonymous witness, the Supreme Court held that in view of the alternative evidence this was not the case.   In response to a complaint that the Investigating Judge had wrongly blocked certain questions asked by the defence, the Supreme Court held that the Investigating Judge had been entitled to do so in order to prevent the witness's identity from being disclosed or to prevent the asking of questions that were irrelevant to establishing the truth of the matter or the propriety of the criminal investigation.   In response to a complaint that police officers had been present in the same room as the Investigating Judge and the anonymous witness, it was held that although it must be assumed that it was generally not permissible for police officers to be present (except in so far as their presence was required for the purpose of technical assistance), no defence of this nature had been put forward before the Court of Appeal. The latter court had therefore not been required to go into this question.   Nine complaints, including one to the effect that the Court of Appeal ought not to have held what it considered the applicant's apparent lie that he did not know Blanker to be per se corroborative of his guilt and another relating to the difference in colour between the dustbin liners shown in court and that appearing on the photograph, were dismissed collectively on the following summary reasoning: “These points of appeal do not provide ground to overturn the judgment of the Court of Appeal ( kunnen niet tot cassatie leiden ).   In light of Article 101a of the Judiciary (Organisation) Act ( Wet op de rechterlijke organisatie ), no further reasoning is called for, since these points of appeal do not require answers to questions of law in the interests of the unity or development of the law.”     However, as the mere possession (as distinct from carrying) of bayonets had in the meanwhile been decriminalised, the Supreme Court reduced the applicant's prison sentence by two months, to six years and six months.   B.   Relevant domestic law and practice   The Code of Criminal Procedure     The relevant provisions of the Code of Criminal Procedure were enacted by the Act of 11 November 1993, Staatsblad 1993, no. 603, which entered into force on 1 February 1994. They provide as follows:   Article 219a   A witness who has been involved in his official or professional capacity in the interrogation of a threatened witness or an earlier interrogation of that witness during the preparatory investigation may decline to answer a question put to him in so far as such is necessary in order to keep the identity of the threatened witness concealed.   Article 226a   1.   The Investigating Judge shall, either of his own motion or on the application of the Public Prosecutor or at the request of the accused or his counsel or of the witness, order that on the occasion of the interrogation of that witness his identity shall remain concealed, if: (a)   the witness or another person may, in view of the statement to be made by the witness, consider himself under such threat that it must in reason be assumed that there is legitimate reason to fear for the life, the health or the safety of the witness or other person, or to fear disruption of his family life or socio-economic existence; and (b)   the witness has made it clear that due to this threat he is unwilling to make a statement. If these requirements are not met he shall reject the application or the request. 2.   The Public Prosecutor, the accused and his counsel, and the witness shall be offered the opportunity to be heard in this regard. 3.   The Investigating Judge shall not proceed to the interrogation of the witness as long as an appeal lies against his decision and, if an appeal has been lodged, as long as it has not been withdrawn or decided on, unless the interests involved in the investigation do not admit of any delay. In that case the Investigating Judge shall retain the official record of the interrogation of the witness until the appeal has been decided on.   Article 226b   1.   The decision given by the Investigating Judge under Article 226a, first paragraph, shall be reasoned, dated and signed and shall promptly be communicated in writing to the Public Prosecutor and notified to the accused and the witness, setting out the time-limit and the way in which the legal remedy available against the decision should be used. 2.   An appeal lies to the trial court ( gerecht in feitelijke aanleg ) before which the case is being prosecuted, for the Public Prosecutor, within fourteen days from the date of the decision, and for the accused and the witness, within fourteen days after the notification thereof. 3.   The trial court shall decide as soon as possible. If the appeal against a decision given under Article 226a, first paragraph, is held to be well-founded and the Investigating Judge has already interrogated the witness having due regard to Articles 226c-226f, the Investigating Judge shall see to it that the official record of the interrogation is destroyed. The Investigating Judge shall make an official record of this event. Article 226f shall apply by analogy. 4.   No appeal on points of law ( cassatie ) shall be permitted against the trial court's decision. 5.   If a final decision has been given on appeal that the witness is a threatened witness, the judges of the trial court shall not, on pain of nullity, take part in the public hearing of the case. Article 21, third paragraph, shall not apply.   Article 226c   1.   Before proceeding to interrogate a threatened witness, the Investigating Judge shall verify his identity and mention in the official record that he has done so. 2.   The witness shall be put on oath or affirmed as provided for in Article 216. 3.   The Investigating Judge shall interrogate the threatened witness in such a way that his identity remains concealed.   Article 226d   1.   If this is necessary in the interests of keeping the identity of the threatened witness concealed, the Investigating Judge can decide that the accused or his counsel or both shall not be allowed to attend the interrogation of the threatened witness.   In that case the Public Prosecutor shall not be allowed to attend either. 2.   As soon as possible the Investigating Judge shall make known to the Public Prosecutor, the accused or his counsel, if he has not attended the interrogation of the witness, the content of the statement made by the witness, offering him the opportunity to submit by means of telecommunication or, if the interest of keeping the identity of the threatened witness concealed does not admit of this, in writing, the questions he wishes to have asked. Questions may be submitted already before the start of the interrogation unless the interests of the investigation do not allow the interrogation to be delayed. 3.   If the Investigating Judge prevents an answer given by the threatened witness from coming to the knowledge of the Public Prosecutor, the accused or his counsel, the Investigating Judge shall have it noted in the official record that the question asked was answered by the threatened witness.   Article 226e   During the interrogation the Investigating Judge shall investigate the reliability of the threatened witness and report his findings in the official record.   Article 226f   1.   The Investigating Judge shall take, in consultation with the Public Prosecutor as far as possible, the measures reasonably required to keep concealed the identity of the threatened witness and also of any witness regarding whom an application or a request as referred to in Article 226a, first paragraph, has been made as long as no final decision has been taken in this respect. 2.   He is empowered for that purpose to leave unmentioned in documents contained in the case-file ( processtukken ) information concerning the identity of the witness or to anonymise such documents. 3.   Anonymisations shall be signed or certified by the Investigating Judge and the registrar.   Article 342   1.   ... 2.   A statement made by a witness whose identity is not apparent may only be used as evidence that the accused has committed the act charged, if