49 125(25) The impunity of the violations of human rights and international humanitarian law committed by the paramilitary groups and the connivance between these groups and law enforcement bodies is a consequence of criminal proceedings and disciplinary investigations filed against them that failed to establish responsibilities or the corresponding sanctions.60 Concerning the historical context of Ituango 125(26) The Municipality of Ituango is located in the northern zone of the Department of Antioquia in Colombia and is divided into the municipal districts of La Granja, Santa Rita and El Aro. 125(27) The economy of Ituango is pre-eminently agricultural. 125(28) The increasing incursion of dissident armed groups in the zone led to a similar escalation in the activity of the structures known as paramilitary or “selfdefense” groups, as well as an increased presence of the National Army. 125(29) In 1996, troops of Infantry Battalion No. 10 “Colonel Atanasio Girardot” were based in the Municipality of Ituango. In addition to the National Army, the Municipality of Ituango also had a Police Station with approximately 20 agents. A. i) Facts concerning La Granja The armed incursion 125(30) During the first months of 1996, different sectors of society, headed by Dr. Jesús María Valle Jaramillo, reported their fears and concerns about the possibility of a armed paramilitary incursion in the zone of Ituango to the departmental authorities. 125(31) In this regard, Army Lieutenant Jorge Alexander Sánchez Castro indicated, during a meeting of the Municipal Security Council on May 14, 1996, that the Army had set up roadblocks in strategic locations in the area to monitor all the entrances to the town. 125(32) On June 10, 1996, the Commander of the Girardot Battalion ordered the withdrawal of most of the units that were operating in the zone and their deployment in the sector of Santa Lucía and other villages far from La Granja. 60 Cf. Report of the United Nations High Commissioner for Human Rights on the situation of human rights in Colombia, E/CN.4/2005/10, February 28, 2005, paras. 61 and 92; Report of the United Nations High Commissioner for Human Rights on the situation of human rights in Colombia, E/CN.4/2004/13, February 17, 2004, paras. 26, 27, 28, 34 and 77; Report of the United Nations High Commissioner for Human Rights on the situation of human rights in Colombia in 2002, E/CN.4/2003/13, February 24, 2003, para. 77; Report of the United Nations High Commissioner for Human Rights on the situation of human rights in Colombia, E/CN.4/2002/17, February 28, 2002, para. 211, 212 and 365; Report of the United Nations High Commissioner for Human Rights on the situation of human rights in Colombia in 2000, E/CN.4/2001/15, March 20, 2001, paras. 57, 142, 206 and 254, and Report of the United Nations High Commissioner for Human Rights on the situation of human rights in Colombia, E/CN.4/2000/11, March 9, 2000, para. 27, 47, 146 and 173.