Question: Which Major and Commander of the Argentine National Gendarmerie was involved in a special military intelligence service of the Argentine Army that collected information on and infiltrated guerrilla groups, human rights organizations, coordinated killings, kidnappings, and other abuses?
Sentence (from "Batallón de Inteligencia 601"): Its personnel collected information on and infiltrated guerrilla groups and human rights organisations, and coordinated killings, kidnappings and other abuses.
Relevant evidence: Yes