sent a note reiterating its request for information from the State and asking that it be sent as soon as possible. 7. On January 10, 2005, Mrs. Leontina Millacura Llaipen and the attorneys Silvia de los Santos and Verónica Heredia submitted a request for precautionary measures on behalf of David Alberto Hayes, and relatives and witnesses related to the reported disappearance of Iván Eladio Torres (Maria Leontina Millacura Llaipen, Gerardo Atilio Colin, Luis Patricio Oliva, Tamara Bolívar, Walter Mansilla, Silvia de los Santos, Verónica Heredia, and other relatives of Iván Eladio Torres) and this request was registered as N° MC 9-05. On January 18, 2005, the IACHR granted the precautionary measures and established a period of 7 days for the State to submit information on the measures adopted. 8. On January 19, 2005, the petitioners requested that the precautionary measures be expanded to include Juan Pablo Caba and Miguel Ángel Sánchez, and, on January 24, 2005, they requested that the precautionary measures be expanded to include members of the Hayes family. The IACHR granted this expanded coverage and forwarded this information to the State on January 21 and 25 respectively, setting a 5 day period for the State to submit information on the measures adopted. 9. On January 28, 2005, the State submitted information on the measures granted by the IACHR, which was duly forwarded to the petitioners on February 4, 2005, with a period of 7 days to submit their observations. 10. On February 11, 2005, the petitioners sent their observations, requesting that the IACHR grant provisional measures to the beneficiaries, and this response was forwarded to the State on February 15, 2005, with a 5-day period to provide the relevant information. 11. On March 8, 2005, the State submitted information to the IACHR in response to the request for provisional measures and, in this context attached information concerning the investigation without commenting as to the admissibility of the petition. This information was forwarded to the petitioners on March 31, 2005, along with a list of questions, and they were given a 10-day period in which to respond and submit their observations. 12. The petitioners responded with notes dated April 12, and May 3, 2005, containing their observations. These responses were forwarded to the State on June 8, 2005, with a 15-day period to submit its observations. The State submitted its observations on the petitioners’ responses on July 5, 2005. The parties have met in working meetings on a number of occasions during the processing in order to analyze questions concerning the precautionary measures, as well as in relation to the investigation of the facts denounced. III. POSITIONS OF THE PARTIES A. Position of the petitioners 13. The petitioners assert that Mr. Iván Eladio Torres, age 26, was the victim of a forced disappearance, presumably at the hands of State agents. The petitioners stated that, prior to the events alleged in the petition, Iván Eladio Torres had told his mother, Mrs. Maria Millacura Llaipen, that he had been “picked up” by patrol car N° 469 about