San Diego County Sheriff’s Department

9621 Ridgehaven Court • San Diego, CA 92123

Cold Case Missing Person

Joyce Elizabeth Harper

Victim:Joyce Elizabeth Harper

Missing Date:January 1975

Location:Potrero, CA


Synopsis: San Diego County Crime Stoppers and the San Diego County Sheriff’s Department’s Homicide Detail continue to look for leads in the 1975 disappearance of 31-year-old Joyce Elizabeth Harper.

Joyce Elizabeth Harper (aka: Joyce Gann; Vivian Ann Maddux) has been missing since 1975. She was last known to be living in Potrero, California. She was reported missing by her daughter on December 15, 1995.

At the time of her disappearance, Joyce Harper was 31 years old, 5’3” tall and weighed about 120 lbs. She had brown hair and brown eyes.

Anyone with information is asked to contact us in one of the following ways: