Ronald LeRoy Zellmer

Above: Zellmer, circa 1985


Vital Statistics at Time of Disappearance

  • Missing Since: April 6, 1985 from Sioux City, Iowa
  • Classification: Endangered Missing
  • Date Of Birth: October 2, 1953
  • Age: 31 years old
  • Height and Weight: 5'10, 170 pounds
  • Distinguishing Characteristics: Caucasian male. Blond hair, blue eyes.
  • Medical Conditions: Zellmer suffered from a long-standing depression at the time of his disappearance.
  • Bar

    Details of Disappearance

    Zellmer disappeared from Sioux City, Iowa on April 6, 1985. At 5:50 a.m., police found his 1984 Chevrolet Cavalier on the south end of the Veterans Memorial Bridge in South Sioux City, Nebraska. It was unoccupied, with its motor running. When they went to Zellmer's apartment in the 1000 block of Pierce Street, they found it empty with no signs of any disturbance. Investigators searched the Missouri River after Zellmer's disappearance but uncovered no evidence indicating his fate.

    Zellmer had been depressed for years before he vanished and his disappearance was investigated as a possible suicide, but he could also have been taken against his will. His case remains unsolved.


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


    Source Information
    Iowa Missing Person Information Clearinghouse
    The Siouxland Information Connection
    Sioux City Police Department
    Iowa Cold Cases


    Updated 2 times since October 12, 2004.

    Last updated February 2, 2013; details of disappearance updated.

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