scene of the facts was conducted in Cala Cala, Oruro, where it is alleged that the Ticona brothers were tortured and ill-treated. 14. Regarding the initiation of the criminal proceeding for the crime of ill-treatment and torture, the representatives indicated that, even though formal charges had been brought, the State must be urged to continue the proceeding until its conclusion in order to determine the perpetrators and the respective punishments. 15. The Commission assessed positively the information provided by the State, but notes that the investigation was initiated at “the request of Hugo Ticona Estrada” and not ex officio as required. In addition, it took note of the measures taken so far and hoped that the State would continue making every effort to shed light on the acts of torture committed against Hugo Ticona and to establish the respective responsibilities. 16. From the information provided by the State and the observations presented by the parties, the Court reiterates to the State that it has the obligation to increase its efforts and take all pertinent measures, as soon as possible, in order to make progress in the investigation into the facts that occurred to Hugo Ticona. Based on the foregoing, the Court finds it essential that the State present updated, detailed and complete information on the implementation of the investigation, the steps taken, and their results. C) Regarding the obligation to proceed with the search for Renato Ticona Estrada promptly and effectively (twelfth operative paragraph of the judgment) 17. The State advised that the committee of prosecutors in charge of the case opened an investigation, entitled case M.P. 6441/9, into the crime of forced disappearance of persons, and that the main purpose of the investigation was to comply with the judgment of the Inter-American Court. On July 29, 2009, another investigation was opened, entitled M.P. 6569/09, which had similar background facts to those of the investigation into the remains of Renato Ticona; therefore, the committee of prosecutors decided to joinder the investigations in order to avoid two parallel investigations. Subsequently, the Public Prosecutor’s Office advised that it had taken statements from individuals involved and from other individuals who could have information on the whereabouts of the remains. Also, an inspection was made in the locality of Vinto, Oruro. Finally, the State asked the Court to assess the efforts it was making to comply with the Court's order to locate Renato Ticona, and to take into account that it had encountered difficulties in implementing them. In addition, the State has repeatedly advised that one of the functions of the Inter-institutional Council for the Clarification of Forced Disappearances (hereinafter “CIEDEF”) is to elucidate the forced disappearances that occurred in Bolivia in the past and, to that end, according to the information provided, it has implemented the project ”Contribution to the full exercise of human rights and the strengthening of democracy,” within which “priority has been given to the search for the mortal remains of Renato Ticona (infra considering paragraph 30). 18. The representatives indicated that the State should make greater efforts to “address the provisions” of the said operative paragraph. In turn, they transmitted the frustration that the Ticona Estrada family is feeling with regard to the search for Renato Ticona, because “at present, objectively speaking, there are no indications that would allow him to be found and, consequently, [respond to] the family's greatest wish 6