In October 1982, guerrillas ambushed an army convoy near Palestina, in the vicinity of Dos Erres. They killed 21 soldiers and took 19 rifles. On 4 December, a contingent of 58 Kaibiles (the elite special forces commandos of the Guatemalan Army) was flown into the area. The following day, they received orders to disguise themselves as guerrillas, deploy to Dos Erres and kill the inhabitants, who were considered guerrilla sympathizers. Dressed as guerrillas, the Kaibiles arrived in the hamlet at 02:30 hrs on 6 December. They forced the inhabitants out of their homes, corralling the men in the schoolhouse and the women and children in the hamlet's two churches. A subsequent search uncovered no sign of weapons or guerrilla propaganda. At 06:00, officers consulted superiors by radio, then informed the commandos they would be "vaccinating" the inhabitants after breakfast.