16 rights; c) Marco Antonio Garavito Fernández. Director of the “Liga Guatemalteca de Higiene Mental” (Guatemalan League for Mental Hygiene). Expert witness proposed by the representatives. Testified on the effects the separation from their families and altering of their identities had on “disappeared” children, and the measures which the State should adopt to address this phenomenon, and d) Nieves Gómez Dupuis. Coordinator of a psychosocial intervention program for victims of torture in the Community Studies and Psychosocial Action Team. Expert witness proposed by the representatives. Testified on the effects that the lack of justice and truth over the years had on the alleged surviving victims of the “Las Dos Erres” Massacre and on the next of kin of those killed in the massacre, and the characteristics of an adequate program for psychological attention. 57. With regard to the evidence presented in the public hearing, the Court heard statements from the following individuals: a) Ramiro Antonio Osorio Cristales. Alleged victim. Proposed by the representatives. Testified on the conditions he lived as a consequence of his alleged abduction by the kaibil Santos Lopez; the circumstances under which he reunited with this biological family; the investigations on the facts of the massacre and the response of the authorities; the consequence of the alleged lack of justice, and the measures which the State should adopt to redress the alleged violations of his rights; b) Felicita Herenia Romero Ramírez. Alleged victim. Proposed by the representatives. Testified on the investigation of the facts of the massacre and the response of the authorities, the consequences of the alleged lack of justice for herself and other relatives of victims of the massacre, and the measures which the State should adopt to redress the alleged violations of her rights; c) Edgar Fernando Pérez Archila. Attorney of the representatives since the year 2000. Witness proposed by the representatives. Testified on the alleged obstacles encountered in obtaining justice in the case of the Las Dos Erres Massacre and its causes, and the alleged obstacles found in similar cases in which he acted as attorney; d) Carlos Manuel Garrido. Full Professor of Criminal Law at the Universidad Nacional de la Plata, Prosecutor of Administrative Investigations and Expert of the United Nations Mission in Guatemala. Expert witness proposed by the Commission. Testified on the impunity of the human rights violations perpetrated during the internal armed conflict in Guatemala from 1962 to 1996; the structural deficiencies of the Guatemalan justice administration, and the use of the appeal for legal protection as a strategy to delay judicial processes, and e) Claudia Paz y Paz Bailey. Attorney and Notary, Former Director of the Guatemalan Institute for Comparative Studies in Criminal Science. Expert witness proposed by the representatives. Testified on the context of impunity of the grave human rights violations committed during the armed conflict in Guatemala, its causes, and the measures which the State of Guatemala should adopt to address this situation. 2. 58. 30 Evidence assessment In this case, as in others,30 the Court admits and recognizes the evidentiary Cf. Case of Velásquez Rodríguez v. Honduras. Merits. Judgment of July 29, 1998. Series C No. 4, para. 140; Case of Acevedo Buendía et al. (“Discharged and Retired Employees of the Office of the