Katharine Jean Bay was 18 when she disappeared from Riverside, California, on May 31, 2002. She is described as 5 feet 7 inches, with blonde hair and blue eyes, and may also have used the last name Anderson.

Investigators have listed her as endangered and suspect foul play may be involved, but no significant leads have emerged and she has never been heard from again. Her case appears in NamUs and the California Attorney General’s missing persons listings and remains open with the Riverside Police Department.

If anyone knew Katharine, saw her on or after May 31, 2002, or has information that could help, please contact the Riverside Police Department.