Tracking the Killer of Mary Catherine Edwards | Full Episode + Post Mortem

investigators discover a schoolteacher was a bridesmaid at her killer’s wedding. Watch "Tracking the Killer of Mary Catherine Edwards" and then catch up with "48 Hours" correspondent Natalie Morales and producers Jenna Jackson and Mary Murphy on "Post Mortem" as they examine the DNA technology that cracked the cold case of Mary Catherine Edwards’ murder. They discuss a detective and genetic genealogist who sifted through nearly 7,500 names on a family tree to identify a single killer, Clayton Foreman, and how police and a Texas Ranger arrested him. They also discuss how the Smith & Wesson handcuffs used to bind Mary Catherine came full circle and the revelation that she had been a bridesmaid at the Foremans’ wedding. 00:00 Tracking the Killer of Mary Catherine Edwards 41:08 Listen to a post-mortem on the episode Listen to "Post Mortem" wherever you get your podcasts: https://apple.co/3ZyUTut Crime. Social justice. Impact. "48 Hours" investigates the most intriguing crime and justice cases that touch on all areas of the human experience including greed and passion. "48 Hours," which premiered in 1988, has developed a rich history of original reporting and impact journalism that has helped exonerate wrongly convicted people, caused cold cases to be reopened and solved, and along the way changed lives. Subscribe to the "48 Hours" YouTube channel: https://youtube.com/48hours Watch full episodes of "48 Hours": https://cbsnews.com/48-hours/full-episodes/ Listen to the "48 Hours" podcast: https://link.chtbl.com/48-Hours Listen to the "My Life of Crime with Erin Moriarty" podcast: https://link.chtbl.com/CBSNewsMLOC Follow "48 Hours" on Instagram: https://instagram.com/48hoursCBS/ Like "48 Hours" on Facebook: https://www.facebook.com/48hours Follow "48 Hours" on Twitter: https://twitter.com/48hours Subscribe to our newsletter: https://cbsnews.com/newsletter/ Download the CBS News app: https://cbsnews.com/mobile/ Try Paramount+ free: https://paramountplus.com/?ftag=PPM-05-10aeh8h For video licensing inquiries, contact: [email protected]