In August of 1983, 23 year old Theresa Greaves left her apartment to go to a job interview in Salt Lake City. She arrived in Salt Lake City, but never showed up to the interview. After 2 days of worry, her roommate filed a missing persons report. It wasn't until three decades later, that Theresa's remains would be found. Was Theresa's murder a crime of opportunity, or that of a serial killer?

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