Richard Ramirez (1960–2013) was an American serial killer, sex offender, and burglar whose killing spree occurred in Greater Los Angeles and the San Francisco Bay Area in the state of California. From April 1984 to August 1985, Ramirez murdered at least fifteen people during various break-ins. With his crimes usually taking place after dark, Ramirez was dubbed the Night Stalker, the Walk-In Killer, and the Valley Intruder. He was convicted and sentenced to death in 1989 and died while awaiting execution in 2013.