Court where he was charged with causing damage to another person's property.159 He was given a preliminary hearing and then released after the court found that pretrial detention was not warranted.160 The court eventually decided that the evidence was insufficient to support the charge of flagrancy and ordered the investigation dismissed.161 The Unit for Human Rights and International Humanitarian Law of the Office of the Attorney General referred to that incident in a resolution dated September 12, 2006, as an "arbitrary detention."162 103. On March 3, 2001, the trade union leader Jorge Darío Hoyos was murdered. A week before he was killed he had said that he and other persons, including Mr. Villalba, were “on a list of people to be executed by military groups on behalf of the State.”163 104. The petitioners said that between March and July 2004 Mr. Villalba and his wife were victims of surveillance, received suspicious calls at their home, and were photographed by unidentified persons.164 105. On February 17, 2015, while working in the city of Neiva, Mr. Villalba was followed to a restaurant and photographed.165 One of the people who followed him was identified as Ronald Cedeño, an assistant superintendent in the Judicial and Criminal Investigation Police (SIJIN).166 The assistant superintendent said that he had been there because the establishment's management had called to say that there were suspicious persons on the premises.167 The petitioners said that when they contacted the establishment's head of security, he denied having called the SIJIN.168 106. On February 18, Mr. Villalba was photographed by a young man unknown to him as he was walking from the CCAJAR offices.169 1.7. Diana Milena Murcia Riaño 107. Diana Murcia Riaño was a member of the assembly of partners of CCAJAR until June 26, 2008.170 108. The petitioners said that on one occasion the lawyer sent a personal message from her email account to friends,171 attaching a page from El Tiempo newspaper in which there appeared a parody of the coat of arms of Colombia during the administration of President Álvaro Uribe Vélez.172 Eighty-fifth Municipal Criminal Court in and for Bogotá. Decision to dismiss the investigation in favor of Reinaldo Villalba et al. for the crime of damage to property, September 17, 1997. Annex 33 to the petitioners’ brief containing observations on merits, December 20, 2013. 160 Eighty-fifth Municipal Criminal Court in and for Bogotá. Decision to dismiss the investigation in favor of Reinaldo Villalba et al. for the crime of damage to property, September 17, 1997. Annex 33 to the petitioners’ brief containing observations on merits, December 20, 2013. 161 Eighty-fifth Municipal Criminal Court in and for Bogotá. Decision to dismiss the investigation in favor of Reinaldo Villalba et al. for the crime of damage to property, September 17, 1997. Annex 33 to the petitioners’ brief containing observations on merits, December 20, 2013. 162 Office of the Attorney General, Case UNDH 912, Abstention decision September 12, 2006. Annex 36 to the petitioners’ brief containing observations on merits, December 20, 2013. 163 Urgent Action, CCAJAR and others, April 5, 2001. Annex 43 to the petitioners’ brief containing observations on merits, December 20, 2013. 164 Petitioners’ brief containing observations on merits, December 20, 2013. 165 Letter to Juan Manuel Santos, February 23, 2015. Annex 1 to the petitioners' communication of March 18, 2015. 166 Letter to Juan Manuel Santos, February 23, 2015. Annex 1 to the petitioners' communication of March 18, 2015. 167 Letter to Juan Manuel Santos, February 23, 2015. Annex 1 to the petitioners' communication of March 18, 2015. 168 Letter to Juan Manuel Santos, February 23, 2015. Annex 1 to the petitioners' communication of March 18, 2015. 169 Letter to Juan Manuel Santos, February 23, 2015. Annex 1 to the petitioners' communication of March 18, 2015. 170 Petitioners’ brief containing observations on merits, December 20, 2013. 171 Petitioners’ brief containing observations on merits, December 20, 2013. 172 Office of the Attorney General, Case UNDH 1577, Abstention decision of July 28, 2006. Annex 92 to the petitioners’ brief containing observations on merits, December 20, 2013. 159 21