54. Regarding the situation of absence of response from the judiciary, the Human Rights Committee of the International Covenant on Civil and Political Rights (hereinafter the Human Rights Committee) indicated its concern over the impunity prevailing in many cases of disappearances and homicides of women in various states of Mexico.22 Likewise, the Human Rights Committee observed with concern that, at the time of the publication of its 2010 report, military courts of the State had the jurisdiction to hear cases of human rights violations perpetrated by persons belonging to the military, even when the victim was a civilian.23 55. The above is reflected in figures according to which, in 2007 and July 2011, the Military Criminal Justice System processed 3, 671 investigations of human rights violations, allegedly perpetrated by soldiers.24 56. Likewise, in October 2013, the United Nations Human Rights Council conducted Mexico's second Universal Periodic Review. Among the principal challenges and recommendations made by the States, there was the concern about how the Mexican State was tackling problems stemming from human rights violations, especially forced disappearances, violence against women, and torture. The Council urged the State to take such measures as to put into practice the principal recommendations from the 2011 Report of the WGEID. It also urged the State to require the regular criminal justice system to hear human rights violations perpetrated by the military.25 2. Situation of the State of Chihuahua after implementation of the Joint Operation Chihuahua 57. As of March 28, 2008, taking into account the grave situation of violence in the State of Chihuahua,26 in said State the Joint Operation Chihuahua was implemented for the purpose of dismantling the networks and logistics of organized crime, involving the participation of more than two thousand Federal Police Force officers and army troops, who together conducted security activities under the orders of the Commander of the Fifth Military Region.27 58. The Joint Operation Chihuahua changed its strategies on the Municipality of Buenaventura, the Ejido Benito Juárez, after the killing of a federal police officer, a civil servant working closely with the Public Security Secretary, and the disappearance of three federal agents,28 whose bodies were found with signs of torture in the bottom of a mine in said municipality. Because of this, more than 500 army and federal police troops were sent to the Ejido Benito Juárez to investigate the persons of the area who were suspects of being involved in organized crime. According to complaints, the army started patrolling the community in 22 United Nations Committee on Human Rights (UNCHR). Review of the Reports submitted by the States Parties in accordance with Article 40 of the Covenant. (CCPR/C/MEX/CO/5). April 7, 2010, para. 9. 23 United Nations Committee on Human Rights (UNCHR). Review of the Reports submitted by the States Parties in accordance with Article 40 of the Covenant. (CCPR/C/MEX/CO/5). April 7, 2010, para. 18. 24 Human Rights Watch. Report “The Disappeared of Mexico. The persistent cost of a crisis ignored.” February 2013. ISBN: 156432-988-7. Page 187. 25 Human Rights Watch. 2014 World Report: Mexico. Available at http://www.hrw.org/es/world-report/2014/countrychapters/121995. 26 United Nations Special Rapporteur on extrajudicial, summary or arbitrary executions. Preliminary observations on the official visit of the Special Rapporteur on extrajudicial, summary or arbitrary executions to Mexico, April 22 to May 2, 2013. 27 Annex XX. Narrative provided by the petitioners in the petition filed with the Inter-American Commission on June 26, 2011; Annex XX. Narrative provided by the petitioners in the petition filed with the Inter-American Commission on December 6, 2013. 28 Annex I. Case file. Volume XV. Newspaper article published in El Universal. "Sigue búsqueda de Federales “levantados” en Chihuahua," page 481 of the pdf file (Annex to the brief of observations on the merits by the petitioners, received on November 3, 2014).