The Santa Massacre was a massacre of nine campesinos carried out by Grupo Colina in the Santa Province of the Ancash Region of Peru. The massacre occurred on May 2, 1992. Carlos Alberto Barrientos Velásquez, Roberto Barrientos Velásquez, Denis Atilio Castillo Chávez, Federico Coquis Velásquez, Gilmer Ramiro León Velásquez, Pedro Pablo López Gonzáles, Jesús Manfredo Noriega Ríos, Carlos Martín Tarazona More, and Jorge Luis Tarazona More all died in the massacre.