| Santiago Martín Rivas | |
| Allegiance: |  Peru |
| Branch: | Peruvian Army |
| Commands: | Grupo Colina |
| Battles: | Internal Conflict in Peru, La Cantuta Massacre, Barrios Altos Massacre, Santa Massacre |
| Laterwork: | Currently imprisoned |
Santiago Martín Rivas was a major in the Peruvian Army, a member of the Army Intelligence Service, and the leader of a death squad known as Grupo Colina, responsible for a number of massacres during the government of Alberto Fujimori.[1] [2] He is currently imprisoned.[3]