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221 Cases Solved. Advancing justice for missing persons, unsolved homicides, unidentified and unclaimed remains.
Case Description
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After her car breaks down off of I-80, a young college student is found dead days later
Tammy Jo Zywicki was a 21-year-old woman, identified by the FBI as White, who set out on the afternoon of August 23, 1992, driving from Evanston, Illinois toward Grinnell College in Iowa, expecting to arrive that evening. Not long after she left, her trip unraveled on a busy ribbon of interstate: witnesses later placed her beside her disabled car near mile marker 83 on Interstate 80 in central Illinois, where she appeared stranded and exposed to whoever happened to pass by.

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Victim Details

Tammy Zywicki

May 11, 2024

Female

White / Caucasian

Sarcoxie

MO

1992-09-01

1992-08-23

1992-08-23

1971-03-13

Glasses

$0.00

21

Tammy Zywicki

Tammy

Zywicki

Victim

Blonde

Green

5'2

120 lbs

No

01/14/2026


Area Body Found: