Sherry Ann Cooper, nicknamed Simi Valley Sherri, was born on May 17, 1949 in Simi Valley, California. Sherry Ann Cooper was the girlfriend of Danny Decarlo.
Sherry was arrested with the family during the Spahn Ranch raid. Sherry Fled Barker Ranch with Barbara Hoyt after Hoyt overheard Susan Atkins talking about the Tate murder to Ruth Ann Moorehouse. When Manson found out the two girls had run away he took off after them. He found them having breakfast in a diner and gave them $20 after the girls told Manson they wanted to leave.
In 1969 an unidentified body (Jane Doe #59) with 150 stab wounds was found at Mulholland Drive. It was rumored that this was possibly the body of Sherry Cooper. The unidentified body remained a mystery for 46 years but in 2015 police have identified the woman as Reet Jurvetson 1 | 2, who moved to Los Angeles from Montreal the year she was killed.
Sherry moved on with her life and got married. Today Sherry reportedly lives in California under her marital name.