Grupo Colina ( Spanish for " hill group " ) was a military anti-communist death squad created in Peru that was active from 1990 until 1994 , during the administration of Alberto Fujimori . The group is known for committing several human rights abuses , including an eight-month period of 1991 – 92 that saw a total of 34 people killed in the Barrios Altos massacre , the Santa massacre , and the La Cantuta massacre
La Cantuta massacre
La Cantuta massacre
Grupo Colina