Cold Case Files

Devil at the Door

The brutal 1998 murder of 36-year-old computer analyst Lisa Valdez has San Francisco police stumped. The case goes cold until advances in forensic technology leads to a shocking suspect 13 years later.

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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 hosted by Paula Barros.