Mark Patrick Nielsen

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Above: Nielsen, circa 1994

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Vital Statistics at Time of Disappearance

  • Missing Since: October 10, 1994 from San Luis Obispo County, California
  • Classification: Missing
  • Date of Birth: March 17, 1953
  • Age: 41 years old
  • Height and Weight: 5'8, 185 pounds
  • Distinguishing Characteristics: Caucasian male. Brown hair, blue eyes. Nielsen's nickname is Sharky. He may spell his last name "Nielson."
  • Clothing/Jewelry Description: A jean jacket, a white t-shirt and jeans.
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    Details of Disappearance

    Nielsen was last seen in San Luis Obispo County, California on October 10, 1994. He lived in Los Osos. He has never been heard from again. Nielson's family did not report him missing until January 19, 1995, three months after he was last seen. Few details are available in his case.

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    Investigating Agency
    If you have any information concerning this case, please contact:
    San Luis Obispo County Sheriff's Department
    805-781-4550

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    Source Information
    California Attorney General's Office
    KSBY

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    Updated 2 times since October 12, 2004.

    Last updated November 7, 2015; details of disappearance updated.

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