44 The “Operative Transfer 1” started with three explosions and the entrance of an undetermined number of police officers firing their weapons. The use of force was disproportionate, since according to the body of evidence none of the circumstances contemplated in the Basic Principles on the Employment of Force and Fire Arms by Officers In Charge of Enforcing the Law, which state that fire arms may be used in a transfer operative if there is an imminent risk of death or serious injuries arising from the inmates, or there is a threat of escape with clear indications of their immediate intention to kill or seriously injure someone, were present. There is no specific statement indicating that the inmates used weapons, there is no evidence or results from forensic examinations that leads to the conclusion of said circumstance. On the contrary, there is evidence that the armed forces were indiscriminately shooting at the inmates, resulting in the death of several inmates that were trying to move from one place to another in order to find protection from the gunshots. The body of Mr. Hugo Juárez Cruzatt presented 11 bullet wounds with different trajectories. Sixteen of the inmates that surrendered were separated from the group and killed in different parts of the criminal center Said deaths constitute extrajudicial killings. b) Proposed by the common intervener 2. José Quiroga, specialist in the attention of torture victims He made a physical evaluation of 13 of the alleged victims. He referred to “three critical moments”: the torture prior to the attack on the criminal center, the torture during the attack, and the torture after the same. During the four days of the attack on the Criminal Center Castro Castro war weapons, tanks, artillery elicopters, rockets, and explosives were used. The inmates examined were deprived of sleep, water, and food. Some of them drank their own urine because of the thirst they were experimenting. All this under constant gunshots, bombing, gunfire, and use of fire starting weapons. The victims experimented suffering for having to go over the human bodies that were still warm. The alleged victims examined described a sensation of asphyxia, a burning sensation all over their body and the respiratory system. Likewise, there were injuries caused by grenade and bullet splinters. They also had the traumatic effect of seeing other inmates die and fall wounded, some of them being abandoned and others tortures despite the seriousness of their injure. Some of the persons interviewed described acts of great cruelty against people wounded, who were forced to drag themselves, such as blows with the butt of a gun, kicks, and they were carried as if they were objects when they were transferred to the hospital. The composition of the gases used in Castro Castro is unknown, but we do know that the two components that were mostly used are O-chlorobenzylidene malonitrile, known as CS, and 1- chloroaceptopheonnone, known as CN, and that they need a solvent that is usually methylene chloride. These components together cause the reactions described in the statements, that is: burning sensation; irritation in the eyes, nose, lungs, and in the skin; and asphyxia that may cause death. The solvent is known as a cancerigenic and it may also cause changes in the somatic chromosomes.