Guerrero state security spokesman Roberto Alvarez Heredia says the victims in San Pedro Cacahuatepec include three women, a 4-month-old baby and a 17-year-old boy. Three children were also wounded when the shooters opened fire Friday on their humble homes. It appeared the victims were part of a single family.
It is an area where the federal government wants to build a dam, but the territory is disputed between two community defense groups. The vigilante-style police groups armed themselves in 2013 and 2014 to fight drug cartels.