Uploaded August 2026 | Updated September 2026, 2 weeks ago

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Crime scene investigator, forensic expert, and bestselling author Sheryl "Mac" McCollum returns to the channel for a conversation about two of the country's most closely watched criminal cases. We discuss the mysterious and tragic death of Nolan Wells, and the latest developments surrounding the Nancy Guthrie case. With decades of crime scene experience and her work as host of the Zone 7 Podcast and author of Swans Don't Swim in a Sewer, McCollum offers her professional perspective on the evidence, investigative challenges, and questions that remain unanswered.

More about Sheryl: sherylmccollum.com

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