the Prosecutor General’s Office of the Supreme Court of Justice of Buenos Aires to continue the investigation. In response, on September 20, 2001, 121 the Prosecutor General advised that the Secretary of the Judicial Police of the Prosecutor’s Office of the Supreme Court of Justice of Buenos Aires could not comply with this request because no investigators were available. 64. On September 16, 2002, the injured party asked the judge of the proceeding, inter alia, to appoint a police committee to conduct the investigation into the murder of Assistant Commissioner Gutiérrez. 122 On October 2, 2002, the judge of the proceeding asked the Minister of Security of the province of Buenos Aires to appoint a police committee to continue the investigation, among other matters. 123 In response, a Special Investigative Committee of the Ministry of Security of the province of Buenos Aires was created. 124 65. The evidence submitted in this case reveals that, the following measures were taken before the Assistant Commissioners in charge of this Committee: (a) various statements were received between January 20, 2003, and March 25, 2004, one of which reported threats against a witness and another reported the participation of a Police Commissioner of the province of Buenos Aires as the one who “gave the order” to execute Assistant Commissioner Gutiérrez; 125 (b) on February 26, 2003, a newspaper article and an obituary notice were added to the criminal case file relating to the death, on February 24, 2003, of Commissioner Jorge Luis Piazza, whose testimony the injured party had requested the judge of the proceeding to receive 126 and whose death was investigated as murder; 127 (c) on April 4, 2003, a police procedure was carried out in the Quilmes Departmental Investigations Directorate concerning the person identified as a presumed participant in the murder of Mr. Gutiérrez, 128 and (d) on September 14, 2004, the male eyewitness and a street vendor took part in a photographic identity parade before the judge of the proceeding. During this procedure, they identified the presumed participant in the murder, 129 who, according to the case file, prior to the murder of Jorge Omar Gutiérrez, was a “police agent in the Avellaneda Fourth Police Precinct” and, 120 Cf. Note of September 17, 2001, addressed to the Prosecutor General by Transitional Court No. 2 of the La Plata Judicial Department (file of annexes to the submission brief, folio 276). 121 Cf. Note of September 20, 2001, addressed by the Prosecutor General, Hector Vogliolo, to Transitional Court No. 2 of the La Plata Judicial Department (file of annexes to the pleadings and motions brief, folio 1824). / 122 Cf. Brief of September 16, 2002, addressed by Nilda del Valle Maldonado to Transitional Court No. 2 of the La Plata Judicial Department (file of annexes to the pleadings and motions brief, folios 1829 to 1832). 123 Cf. Record of October 2, 2002, of Transitional Court No. 2 of the La Plata Judicial Department (file of annexes to the pleadings and motions brief, folio 1834). 124 Record of December 28, 2006, of Transitional Court No. 2 of the La Plata Judicial Department (file of annexes to the submission brief, folio 301). 125 The Court’s file contains two statements made before the Departmental Investigations Directorate of San Isidro, four statements made before the Departmental Investigations Delegation of Quilmes, two before the Quilmes Special Investigative Commission, and one before Transitional Court No. 2 of the La Plata Judicial Department (file of annexes to the pleadings and motions brief, folios 1848 to 1852, 1864 to 1868, 1871 to 1873, 1876 to 1878, 1881 to 1884, 1886 to 1889, 1902 to 1907, 1909 to 1913 and 1915 to 1918). 126 Cf. Brief of May 2, 2001, addressed by the injured parties to the judge of the proceeding (file of annexes to the pleadings and motions brief, folios 1836 to 1837). 127 Cf. Preparatory criminal investigation No. 167,253 into the murder of Commissioner Jorge Luis Piazza (file of annexes to the pleadings and motions brief, folios 2331 to 2344). 128 Cf. Identification procedure of April 4, 2003, Special Investigative Commission, Ministry of Security of the province of Buenos Aires (file of annexes to the pleadings and motions brief, folios 1892 to 1893). 129 Cf. Photographic identity parade procedure of September 14, 2004, by the male eyewitness before Transitional Court No. 2 of the La Plata Judicial Department (file of annexes to the pleadings and motions brief, folios 1920 to 1925), and Photographic identity parade procedure of September 14, 2004, by a street vendor before Transitional Court No. 2 of the La Plata Judicial Department (file of annexes to the pleadings and motions brief, folios 1931 to 1935). 27