40-Year Cold Case Solved: How DNA Finally Caught Sarah Geer’s Killer

A 40-year-old cold case finally solved. How did investigators crack the case of Sarah Geer after decades of silence? In this episode of The Jim Rathman Show, Jim breaks down the brutal 1982 murder of 13-year-old Sarah Geer in Cloverdale, California—a case that went cold for decades before modern DNA technology and genetic genealogy led to a breakthrough conviction in 2026. Jim Rathmann walks through the full timeline of the investigation, including: The original crime and evidence collection in 1982 The development of a DNA profile in 2003 The role of genetic genealogy and databases The involvement of a private investigator and the FBI How surveillance and a discarded cigarette led to the suspect The trial and conviction of James Oliver Unick This case is a powerful example of how advancements in forensic science, DNA technology, and collaborative law enforcement efforts can bring justice—even decades later. If you’re interested in true crime, cold cases, forensic breakthroughs, and real investigative work, this episode is one you don’t want to miss. Subscribe for more deep dives into cybercrime, investigations, and real-world threats. Comment below: What’s the biggest online safety concern you have for your family right now? Disclaimer: The content discussed in this episode contains descriptions of sexual violence. Listener discretion is strongly advised. Follow Jim Rathmann on Instagram: @therealjimrathmann Follow The Jim Rathmann Show on YouTube: https://www.youtube.com/@thejimrathmannshow Please consider supporting the show on Patreon: patreon.com/cw/TheJimRathmannShow Special thanks to our partners: Podgo and Hi Hello Labs in Orlando, Florida, for powering and producing this show. Sponsored by: Podgo Services Produced at: Hi Hello Labs (Orlando, FL) Hosted by Simplecast, an AdsWizz company. See https://pcm.adswizz.com for information about our collection and use of personal data for advertising.