Plot Synopsis

Using re-creations, archival footage, and first-person interviews, THE KILLER BESIDE ME is a one-hour docuseries that chronicles real-life murder cases within the work place. Each 60-minute episode highlights a different case, including: Bob Peterson, who invited himself to the home of his co-workers, Gene and Jaye-Jaye Thurnau, to give them a housewarming present, but when Jaye-Jaye returned after running an errand, Bob and Gene have vanished; 24-year-old Caroline Nosal befriended an introvert work colleague, Christopher O'Kroley, but she complained to management at the grocery store when things didn't work out planned; a cleaning lady, Myra, headed into the property office and discovered it has been ransacked -- only to find blood everywhere around the body of property manager Melinda Shaefer. Investigation Discovery released "Living a Lie," an online early premiere episode of this series on Friday, April 6, 2018 -- two weeks before the official series premiere on Saturday, April 21 at 10pm ET/PT.

The sophomore season of THE KILLER BESIDE ME premiered on Wednesday, June 5, 2019 at 9pm ET/PT on Investigation Discovery. In the season opener, "The Killer Beside Me," Theresa Wesolowski (22) was murdered on May 29, 1999. Police were baffled for nearly 10 years. They finally got a break in the case when a new DNA technique identified a co-worker, Mark Libecki, who was convicted of 1st degree murder in 2009.
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Season 3 of THE KILLER BESIDE ME premiered on Thursday, September 17, 2020 at 10pm ET/PT on Investigation Discovery. In the season opener, "Danger Travels," a retail store employee's crush on manager Antoinette Venditti Bruce escalates into an obsession after he's fired for inappropriate behavior. When she is transferred out of state for work, the stalker tracks her down to carry out his twisted plans.