3:25 DNA, genealogy lead to arrest in 2012 Arlington cold case murder 2:22 Arlington cold case detectives speak on 2012 murder 11:43 Cold Case Files: Hunt For Teen's Murderer Uncovers a Serial Killer | A&E 11:54 20-YEAR Hunt for \"Green River Killer\" Gary Ridgway | Cold Case Files | A&E 10:21 A Killer Took the Bait — DNA Solved the Case 20 Years Later | Cold Case Files | A&E 11:31 Cold Case Files: Hunt For Teen's Murderer Uncovers a Serial Killer | Crime 360 10:23 18-Year-Old Footprint Finally Solves a Murder | Cold Case Files | A&E 10:09 The Deranged Case of Serial Killer John Robinson | Cold Case Files | A&E 8:32 Murder Suspect's Confession Shocks Investigators | Cold Case Files | A&E 8:51 Former Cop Convicted of Murder 25 Years Later | Cold Case Files | A&E