California mafia member on death row fatally beaten by other inmates in prison

A death row inmate named Alberto Martinez was beaten to death by three other inmates at the Calipatria State Prison in Southern California. The inmates involved in the attack were Tyler A. Lua, Jorge D. Negrete-Larios, and Luis J. Beltran. Martinez sustained injuries from an incarcerated-manufactured weapon and was pronounced dead after receiving medical attention. The incident is being investigated as a homicide. The inmates responsible for the attack have been moved to restricted housing pending further investigation. Martinez was on death row for first-degree murder and attempted first-degree murder with gang activity. The attack occurred in a restricted yard at the prison. Governor Gavin Newsom signed an executive order in 2019 placing a moratorium on the death penalty in California.