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Mark Wayne Adamson Missing Person Case

Last seen in Barstow, California on Jul 08, 1995

Victim Details

Jan 24, 2026

Jan 24, 2026

Mark

Wayne Adamson

67

36

6'2 inches

260 lbs

White

Male

Jul 08, 1995

Barstow

California

Barstow

Barstow Police Departmen

760-256-3531

07/04/2026

Case Description

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Mark Wayne Adamson was 36 years old when he was last seen on July 8, 1995, in Barstow, California. He was in the parking lot of a Walmart located in the 600 block of Montara Road at approximately 1:30 p.m. Adamson was in the company of Joseph Riley, and they were observed getting into a maroon-colored American model sedan, possibly with a third individual. Adamson's roommate informed authorities that Adamson and Riley had left with a significant amount of cash with the intention of purchasi ...
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Last Seen: Jul 08, 1995

Links to Additional Sources (6)

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  • Mark Wayne Adamson - The Charley Project
  • Mark Wayne Adamson Missing persons Barstow Police Department ...
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    Forum Posts (2)

    Does anyone else find it odd that Adamson's case seems so tangled up with so many different people i... ...Read More
    04/10/2024
    Hey everyone, I've been digging a bit into the disappearance of Mark Wayne Adamson and Joseph Riley,... ...Read More
    05/10/2023
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