Member-only story
Too Many Heartless Murderers Get Away with It
After Thirty-Four Years and a Relentless Investigation, Diane Dahn’s Son Knows Who Killed His Mom
Think about this for a moment. There are hundreds of people who took someone’s life twenty, twenty-five, thirty years ago and have spent every day since then enjoying their own. Maybe a few have been tortured by what they’ve done. But I’ve evaluated enough perpetrators to know that there are people who’ve done some evil things and have no trouble sleeping at night.
But that peaceful slumber may be coming to an end. As true crime buffs, you are likely familiar with genetic genealogy, a technology that uses familial DNA to determine relationships between people and find genetic matches. In the crime-fighting world, DNA technology companies use it to create family trees and, through a detailed investigation, shake those branches until the perpetrator falls out. Parabon Labs has solved 140 cold cases over the past two years, the most famous of which was the Golden State Killer. Today’s case is one of the most recent.
Stabbed to Death in San Diego
It was Monday, May 2, 1988, the year of the dragon. In San Diego, the temperature would reach approximately seventy-three degrees, about five above normal. Ronald Reagan was nearing the end of his second term as president. And twenty-nine-year-old Diane…