GRINNELL, Iowa (AP) – The mother of a Grinnell College student slain nearly 23 years ago says she’s trying to remain optimistic that investigators will solve the case.
Twenty-one-year-old Tammy Jo Zywicki’s body was found in September 1992 near Springfield, Missouri, a month after her car was found in Illinois. She’d been driving back to the central Iowa school from her New Jersey home.

Tammy Jo Zywicki

Her mother, JoAnn Zywicki, told the Iowa City Press-Citizen that she’d been hopeful since enlisting the aid of the Philadelphia-based Vidocq Society, which is known for its interest in cold cases. But she says budget cuts are making it difficult for the investigation to progress in Illinois.

Illinois State Patrol Master Sgt. Jeff Padilla says the budget hasn’t been cut and that the Zywicki case remains a high priority.