On Saturday, 7 June 1975, José Luis Arenas was killed by unknowns when he was at his farm, "La Perla", to pay wage workers. In front of his office approximately two to three hundred people waited for payment, and four members of the EGP mixed among farmers. The guerrillas destroyed the communication radio of the farm and executed Arenas. They spoke in Ixil language to the farmers, telling them that they were members of the Guerrilla Army of the Poor and had killed the "Tiger Ixcán." They requested to prepare beasts to help the injured and were transported to Chajul to receive medical care. Then the attackers fled towards Chajul.