76. In August 1993 he was followed by vehicles that apparently belonged to the Army.83 The petitioners said that that year he received repeated death threats because of his work in the cases of the massacres of Caloto and Los Uvos.84 The threats consisted of telephone calls by unknown persons who threatened to kill him if he continued to work on the investigation into the killing.85 The petitioners said that in the case of the massacre of Los Uvos, Juan Carlos Córdoba, one of the soldiers who took part in the massacre and testified against his fellow soldiers, retracted himself four months after providing his account, accusing the lawyer Barrios of having offered him money and trips abroad in return for testifying against his superiors.86 According to the petitioners, as a result of the above and the matter in 1992 of the lawyer Óscar Elías López, who had also worked on Caloto massacre case, in October 1993 Mr. Barrios was forced to leave the country and take refuge in Brussels for six months (see infra, par. 154).87 77. The petitioners said that on one occasion an unknown man on a black motorcycle appeared at his home to deliver a food order that Mr. Barrios had not requested, owing to the fact that he was in Washington at the time.88 Subsequently, they said that he received suspicious calls at his home from supposed clients.89 The Commission does not have any other information about those calls. 78. The petitioners added that on one occasion, Captain Torralvo of the Colombian Navy told Mr. Barrios at the end of a meeting between the military high command and a number of NGOs that "a mutual woman friend of ours asked me to tell you to stop defending so many ‘fags.’”90 They said that around the same time an unknown person on a motorcycle without license plates accosted his 22-year-old son, Juan Pablo Barrios.91 The Commission does not have any other information about that fact. The petitioners said that those incidents, coming in addition to the murders of other defenders, prompted Mr. Barrios and his son to leave the country again on August 5, 1999 (see infra, par. 154)92. The petitioners said that the lawyer remained in exile until October 2005.93 79. Finally, on May 8, 2006, unknown persons entered the home of Rafael Barrios and stole information relating to his work.94 1.2. Luis Guillermo Pérez Casas 80. In December 2013 Luis Guillermo Pérez Casas was a member of the assembly of partners of CCAJAR.95 The Commission does not have any information about his current position. 81. On October 26, 1994, two unknown men on a motorcycle without license plates followed the lawyer to his office in Bogota and later, his family, to the gate of his son's school.96 The two men simply vanished when Amnesty International, “Fear for Safety, COLOMBIA: Dr. Rafael Barrios Mendivil, human rights lawyer,” August 1993. Annex 24 to the petitioners’ brief containing observations on merits, December 20, 2013. 84 Amnesty International, “Fear for Safety, COLOMBIA: Dr. Rafael Barrios Mendivil, human rights lawyer,” 31 August 1993. Annex 24 to the petitioners’ brief containing observations on merits, December 20, 2013. 85 Amnesty International, “Fear for Safety, COLOMBIA: Dr. Rafael Barrios Mendivil, human rights lawyer,” 31 August 1993. Annex 24 to the petitioners’ brief containing observations on merits, December 20, 2013; Amnesty International, “Fear for Safety, COLOMBIA: Dr. Rafael Barrios Mendivil, human rights lawyer,” 17 March 1994. Annex 25 to the petitioners’ brief containing observations on merits, December 20, 2013. 86 Petitioners’ brief containing observations on merits, December 20, 2013. 87 Urgent action by the International Working Group for CCAJAR, April 1994. Annex 23 to the petitioners’ brief containing observations on merits, December 20, 2013. 88 Petitioners’ communication of June 23, 2005. 89 Petitioners’ communication of June 23, 2005. 90 Petitioners’ communication of June 23, 2005. 91 Petitioners’ brief containing observations on merits, December 20, 2013. 92 Petitioners’ brief containing observations on merits, December 20, 2013. 93 Petitioners’ brief containing observations on merits, December 20, 2013. 94 Office of the public defender to evaluate risk to the civilian population, Risk Report No. 036-06, August 31, 2006. Annex 5 to the petitioners' communication of December 23, 2013. 95 Petitioners’ brief containing observations on merits, December 20, 2013. 96 Amnesty International, Fear for Safety, October 27, 1994. Annex 26 to the petitioners’ brief containing observations on merits, December 20, 2013. 83 16