Conspiracies & the Unknown: The Internet Black Widow

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She married them fast, drugged their food, and emptied their bank accounts. Then they died. Melissa Ann Shepard did it for decades, moving between Canada and Florida, leaving a trail of dead and disabled husbands behind her. The drug was always the same. The pattern was always the same. And no one could stop her until one man survived long enough to tell someone what was in his coffee. In today's second episode of Conspiracies & the Unknown, Carter Roy follows the Internet Black Widow from her first kill to her last arrest, and the question that haunted every investigation: was she a murderer, or just a thief who didn't care if her victims lived or died?And for more cases just like this…