8 statement was about, inter alia, the profile of his brother; the family life before his disappearance; the actions taken to know the truth of what happened; the consequences the disappearance of his brother and the alleged lack of justice had for his personal and family life; b) Victor Manuel Quinteros Marquina, witness proposed by the representatives and investigator for the book of Mr. Ricardo Uceda entitled “Muerte en el Pentagonito.” He rendered a statement about, inter alia, the disappearance of Anzualdo Castro and what he knew about the case; c) Javier Roca Obregón, witness proposed by the representatives. His statement was about the relevance of the disappearance of his son, Martin Javier Roca Casas, in relation to the disappearance of Kenneth Ney Anzualdo Castro, as well as the manner in which he made contact with Kenneth and the assistance he provided to shed light on the whereabouts of his son; d) Santiago Cristóbal Alvarado Santos, witness proposed by the representatives and driver of the bus in which Kenneth Ney Anzualdo Castro was travelling on the day of his disappearance; he declared about the incident that occurred on December 16, 1993 when several people intercepted the vehicle he was driving and three of the passengers were forced to get out of the bus, including Mr. Anzualdo; e) Carlos Alberto Jibaja Zárate, expert witness proposed by the representatives, bachelor’s degree in Clinical Psychology and Executive Director of the Center for Psychosocial Care, in Lima, Peru. While giving his opinion, he analyzed the psychological effects produced on the family of Kenneth Ney Anzualdo Castro after his disappearance and before the alleged lack of the State’s response in that regard, and f) Carlos Martín Rivera Paz10, witness proposed by the representatives, Lawyer and Vice-President of the Legal Defense Institute [Instituto de Defensa Legal], a non-governmental organization. He rendered a statement about the different aspects of the special legal system of Peru and the necessary measures to repair the damages. 23. As to the evidence produced at the public hearing, the Court heard the testimonies rendered by the following people: a) Felix Vicente Anzualdo Vicuña, proposed by the Commission, father of Kenneth Ney Anzualdo Castro and alleged victim in the instant case; he declared about, inter alia, the effects produced by the disappearance of his son and the lack of identification and punishment of the responsible, as well as the effects that these facts had on his family; b) Marly Arleny Anzualdo Castro, proposed by the representatives, sister of Kenneth Ney Anzualdo Castro and alleged victim in the instant case. She rendered a statement about the family relationship before the disappearance of his brother; the measures she adopted, as well as the State's response, to establish the fate or whereabouts of his brother or the location and identification of his mortal remains; and the consequences that such 10 Even though Mr. Rivera Paz was convened to render a statement at the hearing, the representatives requested the Court to accept his declaration by means of an affidavit. This has not been challenged by the parties.