Mark Wayne Adamson

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Above Images: Adamson, circa 1995


Vital Statistics at Time of Disappearance

  • Missing Since: July 8, 1995 in Barstow, California
  • Classification: Endangered Missing
  • Date of Birth: September 14, 1958
  • Age: 36 years old
  • Height and Weight: 6'2, 260 pounds
  • Distinguishing Characteristics: Caucasian male. Brown hair, hazel eyes.
  • Clothing/Jewelry Description: A t-shirt, a San Francisco Giants hat and blue jeans.
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    Details of Disappearance

    Adamson was last seen at 1:30 p.m. on July 8, 1995, in the parking lot of a Wal-Mart in the 600 block of Montara Road in Barstow, California. He was accompanied by Joseph Riley at the time and they were getting into a maroon American model sedan, possibly accompanied by another individual. Neither man has ever been heard from again. Adamson's roommate told police that Adamson left with Riley to buy a vehicle. Adamson reportedly had a large amount of cash on him.

    In December 2012, Christian Leonard Bunty Sr. and James Linzy Franklin were charged with Adamson and Riley's murders. Franklin was already in prison serving a life sentence for another, unrelated home invasion robbery and murder. In December 2013, Franklin's nephew, Steven Michael Dondero, was arrested on identical charges. Authorities theorized the suspects offered to sell Riley and Adamson $9,000 worth of ephedrine, one of the key ingredients in methamphetamine, and robbed and killed them when they showed up for the transaction. The charges against Bunty were dropped for lack of evidence in the spring of 2014. In March 2015, Dondero pleadedy guilty to harboring or aiding a felony suspect/accessory and was sentenced to two years in prison; the two murder charges were dropped. Franklin was convicted of both charges of murder in September 2015.

    Riley and Adamson have not been located, but foul play is suspected in their disappearances due to the circumstances involved. Their bodies may be buried in the Mojave Desert.


    Investigating Agency
    If you have any information concerning this case, please contact:
    Barstow Police Department


    Source Information
    Barstow Police Department
    The Desert Dispatch
    The Doe Network
    California Attorney General's Office
    The Bonner County Daily Bee
    The Desert Dispatch
    The Coeur d'Alene Press
    The Ventura County Star


    Updated 5 times since October 12, 2004.

    Last updated March 14, 2017; details of disappearance updated.

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