Donna Ann Lass

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Above Images: Lass, circa 1970

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Vital Statistics at Time of Disappearance

  • Missing Since: September 6, 1970 from South Lake Tahoe, California
  • Classification: Endangered Missing
  • Date Of Birth: November 3, 1944
  • Age: 25 years old
  • Height and Weight: 5'4, 135 pounds
  • Distinguishing Characteristics: Caucasian female. Blonde hair, blue eyes.
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    Details of Disappearance

    Lass was last seen in South Lake Tahoe, California on September 6, 1970. She worked as a registered nurse at the first aid station at the Sahara Hotel-Casino and her last logbook entry was timed at 1:50 a.m. Lass's car was found parked near her apartment in Stateline, Nevada, but nobody saw her leave the casino.

    The day after Lass's disapperance, an unidentified male called her place of employment and her landlord to say she would be absent due to a family emergency. Lass was not actually having a family emergency at the time. The caller has never been identified. All of her personal belongings were left behind at her home, except her purse and the clothes she was wearing the night she vanished.

    A postcard purportedly from the serial killer nicknamed the Zodiac implied that he had killed Lass. The Zodiac sent many written messages to newspapers and police claiming responsibility for disappearances and murders, but Lass's abduction does not fit his profile and the postcard was later found to have been forged by a police investigator. The Zodiac has never been identified. He is still considered a possible suspect in the disappearances of Robin Graham and Jeannette Kamahele, however.

    Lass's case remains unsolved. She is missing under suspicious circumstances.

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    Investigating Agency
    If you have any information concerning this case, please contact:
    South Lake Tahoe Police Department
    530-542-6110

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    Source Information
    California Attorney General's Office
    The Zodiac Killer
    Enter the World of the Zodiac Killer
    The Doe Network
    The San Diego Union Tribune
    Unsolved in the News

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    Updated 3 times since October 12, 2004.

    Last updated June 14, 2011; four pictures added.

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