Nancy Guthrie Case: CSI Sheryl McCollum Reveals Harsh Arizona Desert Challenges

Veteran crime scene investigator Sheryl McCollum, founder of the Cold Case Investigative Research Institute and host of the Zone 7 Podcast, joins me for an in-depth breakdown of the search for missing Arizona mother Nancy Guthrie. McCollum recently traveled into the Arizona desert, where she examined the terrain near Guthrie’s home to get a first-hand look at the conditions investigators are facing. ➡️ What she found is critical. From the unforgiving desert landscape to the challenges of searching vast, remote areas near train routes, McCollum explains why this case is far more complex than it appears—and what key details investigators may be focusing on. 🎥 Watch now on The Ingle Edit for exclusive true crime reporting, forensic analysis, and behind-the-scenes acces