Missing Since: 1977-08-20 Location: None, California
Sander was last seen in Mono County, California on August 20, 1977. He parked his car at convict lake early in the morning and is believed to have gone for a hike in the hills; he is an experienced hiker. He never returned and has never been heard from again. Authorities believe he got lost or injured, but his body has never been located. Investigating Agency Mono County Sheriff’s Office 760-932-7549 Source Information California Attorney General’s Office NamUs Updated 1 time since October 12, 2004. Last updated December 22, 2025; casefile added.