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Case Description
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Ronald LeRoy Zellmer, 31, was last seen on April 6, 1985, in Sioux City, Iowa. At around 5:50 a.m., South Sioux City, Nebraska, police discovered his 1984 Chevrolet Cavalier abandoned on the south end of the Veterans Memorial Bridge, with its engine still running. When Sioux City police checked his apartment at 1003 Pierce Street, they found it empty and showed no signs of disturbance. Zellmer had been struggling with long-term depression, and investigators considered the possibility of suicide, ...Read More
Last Seen: Apr 06, 1985
Last Seen: Apr 06, 1985
Links to Additional Sources (8)
See any mistakes?Victim Details
Feb 17, 2015
Oct 27, 2022
Ronald
Zellmer
70
31
70 inches
170 lbs
White / Caucasian
Male
Apr 06, 1985
Sioux City
Iowa
Woodbury County
252
23793
Sioux City Police Department
Sioux City
Iowa
Woodbury County
51101
Ryan Denney
Detective
601 Douglas Street, Iowa
7122796960
Local
Law Enforcement
F11222
1985-04-06
Sioux City Police Department
Blond/Strawberry
Blue
Blue
11/20/2025
Area Last Seen:




