The identity of a pregnant woman who was stabbed to death in the parking of a Southern California high school had remained unknown for nearly five decades - until now, according to authorities. The woman found fatally stabbed outside Westlake High School in Thousand Oaks on July 18, 1980, has been identified as Maricela Rocha Parga, the Ventura County Sheriff's Office announced in a news release on Monday, February 23. Thousand Oaks police officers had found Parga's body "partially clothed" when they arrived at the high school that day, according to authorities.