62 f) 100. 101. 102. the refusal by security agencies to provide information on the whereabouts of the alleged victims and to acknowledge the irregular deprivation of freedom constitutes one of the elements of forced disappearance of persons, which led to the proven extra-legal execution of some of them. Regarding Article 5 of the Convention, the Commission alleged that: a) the violation of physical and mental integrity was effected through the circumstances in which the detention of the alleged victims occurred, as well as during their transportation and for as long as they were detained; b) at the time of the events, the Army was following a systematic and generalized practice whereby those suspected of belonging to subversive groups were clandestinely detained without informing competent authorities and submitted to torture or mistreatment. Eventually, it was decided whether or not to release them, and they were arbitrarily executed or vanished; c) there was lack of due diligence on the part of the State, since after the complaints were filed, it failed to conduct an investigation pursuant to the principles of due process to elucidate the facts and punish those physically and intellectually responsible for them, and d) the mental and moral integrity of the alleged victims' next of kin was affected as a direct consequence of the purported illegal and arbitrary detention of the alleged victims; the lack of information on their whereabouts; their disappearance and, in some cases, death at the hands of state agents; and the failure to investigate the events. Regarding Article 4 of the Convention, the Commission alleged that: a) the State violated the right to life, inasmuch as the teacher and the nine students were alive at the time of their detention by members of the armed forces, and were later found dead and buried in clandestine graves, besides the fact that four of them are still missing; b) it is valid to conclude that the disappearance and death of the alleged victims was not an isolated event but a disappearance and/or extra-legal execution perpetrated by members of the military within the framework of a pattern of extra-legal executions and forced disappearances that were taking place at the time, and c) the State is responsible for the violation of the right to life for failing to properly investigate the events mentioned above. Regarding to Article 3 of the Convention, the Commission alleged that: a) the practice of forced disappearances, initially perpetrated against all the victims of the instant case and the situation of extreme vulnerability they had to face, necessarily affected their right to the recognition of juridical personality; b) in accordance with the evidence on record, when the victims were detained by State agents or persons related to it and later vanished, they were also