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Case Description
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Mark Alan Marsh, 19, male, was a U.S. Marine lance corporal born April 8, 1960, in Akron, Ohio. On February 18, 1980, his remains were discovered off the Templin Highway near Interstate 5 in Castaic, a remote stretch of northern Los Angeles County. He was later interred at Houston National Cemetery in Texas.

The scene was brutal. Marsh’s body was found decapitated, and his hands had been severed after death. Accounts tie his final hours to the familiar corridor of Southern California ...Read More
Victim Details

Mark Alan Marsh

Male

White / Caucasian

Castaic

CA

1980-02-18

19

Mark

Alan Marsh

11/23/2025