A native of New Jersey who grew up in South Carolina, Zywicki, 21, vanished in central Illinois on Aug. 23, 1992, after her car broke down on Interstate 80 as she was driving to Grinnell College ...

Later that day, Zywicki’s abandoned car was found by an Illinois State Trooper. One week later, her body was discovered 500 miles away along a highway in rural Missouri.

On August 23, 1992, Tammy J. Zywicki departed Evanston, Illinois, for college in Grinnell, Iowa, where she was expected to arrive that evening. Later that day, Zywicki's car was found ...

On August 23, 1992, Tammy J. Zywicki departed Evanston, Illinois, for college in Grinnell, Iowa, where she was expected to arrive that evening. Later that day, Zywicki's car was found ...

Tammy Zywicki, a Greenville native and Eastside High School grad, vanishes in 1992 while she was driving back to college in Iowa. Her body was later found on the side of the interstate in Missouri.

Tammy vanished after her car broke down on the highway during her drive to campus. Family and friends scrambled to look for her, but she was ultimately found murdered in Missouri.

GREENVILLE, S.C. (FOX Carolina) - On Monday, friends and family will gather to remember an Upstate girl killed more than 30 years ago. Tammy Zywicki, a Greenville native and Eastside High School ...