In 1989, a group led by Santiago Martin Rivas, known as Grupo Escorpio, was involved in the summary executions of drug traffickers in the Alto Huallaga region. These operations were part of a broader pattern of violence and human rights abuses linked to the counterinsurgency efforts in Peru. The actions …
In August 1991, a ceremony was held at the SIE maintenance workshop attended by high-ranking military officials, including generals and intelligence officers. During the ceremony, a new emblem was presented, symbolizing the intelligence and operational groups within the SIE. The Colina Detachment was formed in memory of Captain EP Colina …
In August 1991, Santiago Martin Rivas and Carlos Pichilingüe Guevara developed the Plan Cipango, ostensibly to guide the Army Intelligence's operations against subversive elements. However, it is believed to have served as a cover for the activities of the Grupo Colina death squad. The plan's operational areas coincided with locations …