Zone 7 with Sheryl McCollum
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About This Podcast
Work a cold case alongside investigator Sheryl “Mac” McCollum, Director of the Cold Case Investigative Research Institute. Every week, Sheryl dives into her cold case files alongside accomplished guests to look for clues into unsolved murders, missing people, and more. This ain’t just a podcast but a war room. Sheryl opens her cold case files, her heart and her little black book! You will quickly realize Zone 7 is not a place but a lifestyle!
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Recent Episodes
S123E1 Law Enforcement in the Wilds | Ed Newcomer & Tony Latham
In this episode of Zone 7, Sheryl McCollum is joined by former U.S. Fish and Wildlife Service special agent Ed Newcomer and retired Idaho Fish and Game conservation officer Tony Latham for a look at…
S122E1 Stevie Bates Made It Back to New York. Then She Vanished
In 2012, 19-year-old Stevie Bates vanished after calling her mother from a Greyhound bus during a layover in Pittsburgh; she made it back to New York but never made it home. Eight years later, her…
S121E1 Diane Whipple Case: The Fatal Dog Mauling That Changed California Law
Bestselling true crime author and investigative journalist Aphrodite Jones returns to Zone 7 with Sheryl McCollum to discuss her book Dog O’ War and the fatal 2001 dog mauling of Diane Whipple in San…
S7E16 The Heart Behind the Badge: Eric McCants on Leadership and Service
In this week’s episode of Zone 7, Sergeant Eric McCants joins Sheryl McCollum to talk about leadership, community policing, and the mindset required to serve well in high-pressure environments. He…
S7E15 Ashley Willcott on Child Advocacy, Courtroom Transparency, and Honoring Captain Dr. Duanne Thompson
In this week’s episode of Zone 7, Sheryl McCollum is joined by former judge, legal analyst, and former Court TV anchor Ashley Willcott to discuss her decades-long career advocating for children in…
S116E4 Nancy Guthrie Case: We Need to Start Fresh
In this week’s episode of Zone 7, more than three months after Nancy Guthrie vanished, Sheryl McCollum returns to the case with one central question: what does the evidence actually prove? From the…
S7E14 Matt Johnson's Courtroom Coverage: A Look at America's Most Complex Criminal Trials
In this week’s episode of Zone 7, Sheryl McCollum talks to Court TV correspondent Matt Johnson about what it takes to cover high-profile criminal cases and trials, from the Lori Vallow Daybell case…
S7E13 When Two Investigators’ Paths Cross: Olympic Park Bombing, 9/11, and the Power of Public Tips
In this week’s episode of Zone 7, Sheryl McCollum talks with retired FBI special agent Jodene Weber about the parallels in their careers and the many times their paths nearly crossed before they…
S7E12 Legend Series: Julie Grant on Prosecution, Victims’ Rights, and Justice
In this week’s episode of Zone 7, Sheryl McCollum welcomes Julie Grant for a special Legend Series conversation about her path from journalism to the courtroom and the commitment to justice that…
S120E1 DNA 101: Understanding Forensic DNA Evidence with Lab Director Suzanna Ryan
In this week’s episode of Zone 7, Sheryl McCollum talks with forensic DNA expert Suzanna Ryan about how powerful DNA evidence can be and why it is so often misunderstood. They discuss how DNA is…
S7E11 The Art of Listening: Detective Mike Alcazar on Hostage Negotiation
In this week’s episode of "Zone 7," retired NYPD detective Mike Alcazar joins Sheryl McCollum to talk about what hostage negotiation looks like when a scene is tense, the stakes are high, and one…
S119E1 Inside the Boston Strangler Case: Casey Sherman on Mary Sullivan, Albert DeSalvo, and What Still Does Not Add Up
In this week’s episode of "Zone 7," Sheryl McCollum talks with author and investigative reporter Casey Sherman about the murder of his aunt, Mary Sullivan, long believed to be the final victim of the…
S118E1 Inside the Case Against Kouri Richins: Nate Eaton on the Evidence Behind the Guilty Verdict
After weeks of testimony and a defense case that ended without a single witness, the jury in the Kouri Richins trial returned a guilty verdict in the death of Eric Richins. In this week’s episode of…
S116E3 The Nancy Guthrie Investigation: Joe Giacalone on Early Errors and What Should Happen Next
When an 84-year-old woman vanishes from her home in the middle of the night, leaving behind signs of blood and a struggle, every early decision investigators make is critical. Retired NYPD sergeant…
S117E1 The Derwin Brown Assassination: Dale Cardwell on Corruption, Retaliation, and Murder in DeKalb County
A late-night stop at a Dairy Queen led to one of the biggest stories of Dale Cardwell’s career. In this episode of "Zone 7," Sheryl McCollum talks with Dale about the investigation that uncovered…
S38E79 Crime Roundup: Inside the Zone 7 Live 10-8 Event at Manuel’s Tavern, and the 10-8 Tour Roadmap
This episode of Zone 7’s Crime Roundup captures the energy of the first stop on Sheryl McCollum’s 10-8 Tour: a packed house, a hot mic, and the kind of stories you only get when prosecutors, defense…
S116E2 Nancy Guthrie Disappearance: Blood Evidence, Surveillance Video, and Why a Ransom Claim is Not Tracking
In this "Zone 7" special on the disappearance of 84-year-old Nancy Guthrie, Sheryl McCollum and retired NYPD detective Tom Smith break down what a disciplined first 24 hours should have looked like,…
S12E6 Long Island Serial Killer | Trial Clock Starts Now: Rex Heuermann Headed to Court
When a judge declared that Rex Heuermann’s trial would begin after Labor Day “come hell or high water,” the Long Island Serial Killer case entered a decisive new phase. In this episode of Zone 7,…
S116E1 Nancy Guthrie Missing: Blood, Bitcoin, and a Story That Doesn’t Add Up
When 84-year-old Nancy Guthrie disappeared from her home, investigators were quickly faced with blood evidence and ransom claims that did not align with standard abduction patterns. In this episode…
S115E1 A Missing Teen and a High-Profile Arrest: The Evidence, Silence, and Selective Claims with Guest Lauren Conlin
An active investigation into the death of 14-year-old Celeste Rivas Hernandez has left the public with a timeline, a Tesla, and an extensive list of unanswered questions. In this episode of "Zone 7,"…
Frequently Asked Questions
Zone 7 with Sheryl McCollum has published 291 episodes since December 2022, covering topics in True Crime.
Zone 7 with Sheryl McCollum is currently highly active with new episodes weekly. Average episode length is 34m.
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