Tammy Zywicki is looking forward to starting her senior year at Grinnell College in Iowa. Before heading back, she takes a trip to drop off her brother, to visit her parents who were staying with family, and to see to a friend. Tammy says goodbye to her friend and leaves for college. She never makes it back. Her body is found on I-44 wrapped in a blanket. Who killed Tammy Zywicki?
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