A murder in Portland, Oregon goes unsolved for decades until a forensic genealogy investigation reveals a Texas killer, executed in 1999 for a triple murder, was responsible for more evil than anyone knew.

The New Coldest Case Solved with Genealogy
23:04

Coincidence Means Nothing: Serial Killer Caught in 45-Year-Old Cold Case
31:47

Update and New Evidence on the Long Island Serial Killer
14:11