Joseph James DeAngelo – Wikipedia

DeAngelo committed serial murders in Santa Barbara, Ventura, and Orange counties, where he was known as the Night Stalker and later the Original Night Stalker (due to serial killer Richard Ramirez also being called the “Night Stalker”). DeAngelo is believed to have taunted and threatened both victims and police in obscene phone calls and …

https://en.wikipedia.org/wiki/Original_Night_Stalker