A Miami undercover operation nabs the man who beat four black prostitutes, and set them aflame. And DNA helps solve the cold case of a man who posed as a fisherman to get a 6-year-old girl's attention, then raped and killed her.Boll &amp; Branch: Go to BollandBranch.com/coldcasefiles and use code coldcasefiles to get 15% off your first order, plus free shipping!Progressive: Multitask right now. Quote your car insurance at Progressive.com to join the over 28 million drivers who trust Progressive.

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REOPENED: The Lady Killer

Based on the iconic, Emmy-nominated series on A&amp;E, this show explores some of the most difficult-to-solve murders, which stymied investigators and went cold, sometimes for decades. In fact, one-third of all murders in America remain open. But thanks to dogged investigators and breakthroughs in forensic technology, these cases become part of the rare 1% of cold cases that are ever solved. Cold Case Files is narrated by Marisa Pinson.