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Zone 7 with Sheryl McCollum

Zone 7 with Sheryl McCollum

iHeartPodcasts and CrimeOnline 290 Episodes Aug 19, 2026

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!

Episodes

The Search Warrant That Led Investigators to 16 Children | Angenette Levy
The Search Warrant That Led Investigators to 16 Children | Angenette Levy Aug 19, 2026 2060 While executing an unrelated search warrant, law enforcement discovered 16 children in an isolated Ohio home, ranging in age from 18-month-old twins to an 18-year-old. Parents Gary Siders Jr. and Elizabeth Siders face neglect allegations, while Gary Jr. has also been charged with misdemeanor counts of public indecency. All 16 children were taken to the hospital for evaluation a
Trafficked at 14 by the Dixie Mafia: Tina Dixon’s Survival Story
Trafficked at 14 by the Dixie Mafia: Tina Dixon’s Survival Story Aug 12, 2026 2037 In this episode of Zone 7, Sheryl McCollum is joined by human trafficking survivor and advocate Tina Dixon, who ran away as a young teenager before being trafficked through the Dixie Mafia’s network of brothels and organized prostitution across the South. Together, they discuss the grooming, manipulation, violence, and addiction traffickers use to control their victims and how
The Nancy Guthrie Ransom Note: Real Evidence or a Cruel Hoax?
The Nancy Guthrie Ransom Note: Real Evidence or a Cruel Hoax? Aug 5, 2026 926 In this episode of Zone 7, Sheryl McCollum takes a closer look at the ransom note released in the Nancy Guthrie case. Based on her decades of crime scene investigation experience, Sheryl examines the message line by line, pointing out the inconsistencies in its wording, timeline, demands, and structure while explaining why she has never believed the case was motivated by money.
Why Medical Examiners Can’t Rush to Conclusions | Nolan Wells Case with Dr. Priya Banerjee
Why Medical Examiners Can’t Rush to Conclusions | Nolan Wells Case with Dr. Priya Banerjee Jul 29, 2026 1551 In this episode of Zone 7, Sheryl McCollum is joined by board-certified forensic pathologist Dr. Priya Banerjee for a conversation about the ongoing investigation into the death of Nolan Wells. Using publicly known facts of the case, Dr. Priya explains how forensic pathologists approach a suspected drowning and why an autopsy is only one part of a death investigation. Together, they
Brad Beeler | The Art of Interrogation and Building Trust
Brad Beeler | The Art of Interrogation and Building Trust Jul 22, 2026 1930 In this episode of Zone 7, Sheryl McCollum is joined by retired Secret Service agent and polygraph examiner Brad Beeler to discuss what 25 years of talking with suspects, witnesses, victims, and some of the worst offenders taught him about getting people to open up and tell the truth. Brad covers why trust has to come before truth, the damage one accusatory word can do to a con
A Fake Social Worker Stole Their 17-Day-Old Baby. He’s Still Missing
A Fake Social Worker Stole Their 17-Day-Old Baby. He’s Still Missing Jul 15, 2026 2489 In this episode of Zone 7, Sheryl McCollum is joined by investigative journalist Angeline Hartmann, along with Kevin Verville Sr. and Angelica Ramsey. Together, they revisit the unsolved 1980 kidnapping of newborn Kevin Verville Jr., taken at 17 days old from off-base military housing near Camp Pendleton by a woman posing as a social worker. For more than 45 years, the Verville
Vice, Vegas, and Deep Cover: Jenn Benjamins on What It Takes to Work Undercover
Vice, Vegas, and Deep Cover: Jenn Benjamins on What It Takes to Work Undercover Jul 8, 2026 2221 In this episode of Zone 7, Sheryl McCollum is joined by retired Las Vegas Police Sergeant Jenn Benjamins for a look inside undercover police work. Jenn explains what separates basic surveillance from true deep cover, where officers must build believable identities, speak the language of the street, and think fast enough to avoid being “made.” She discusses prostitution&n
The Cape Cod Serial Rapist and the Survivor Who Helped Catch Him
The Cape Cod Serial Rapist and the Survivor Who Helped Catch Him Jul 1, 2026 1465 In this episode of Zone 7, Sheryl McCollum is joined by retired Police Chief Frank Frederickson and Michelle Linn for a case that began with a violent 1988 Cape Cod assault and, years later, became something neither of them could have imagined. Frederickson, then a newly assigned detective, recalls a summer of escalating attacks across Hyannis and Barnstable, Massachusetts, and
Stevie Bates Cold Case Review: Deleted Messages, Three Crime Scenes, and Who’s Still Not Talking
Stevie Bates Cold Case Review: Deleted Messages, Three Crime Scenes, and Who’s Still Not Talking Jun 24, 2026 1673 In this follow-up episode of Zone 7, Sheryl McCollum is joined by retired NYPD detectives Tom Smith and Dan Murphy of Gold Shields to take an investigative look at the unresolved case of Stevie Bates. After revisiting Stevie’s 2012 disappearance and the 2020 discovery of her remains in Glendale, Queens, Sheryl, Tom, and Dan discuss the key questions that remain. They exam
Barrel Racing Horse Stabbing Case: The Evidence, the Suspect, and the Fallout
Barrel Racing Horse Stabbing Case: The Evidence, the Suspect, and the Fallout Jun 17, 2026 1728 In this episode of Zone 7, Sheryl McCollum is joined by Caroline McCollum and Huck McCollum to talk about the case involving three horses who were stabbed during a barrel racing event at South Point Casino in Las Vegas. Caroline, a longtime horse rider and criminology student, shares her perspective on what it means to compete with and care for these animals, and how the open,
Law Enforcement in the Wilds | Ed Newcomer & Tony Latham
Law Enforcement in the Wilds | Ed Newcomer & Tony Latham Jun 10, 2026 1620 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 the danger, isolation, and critical work of wildlife law enforcement. They discuss the murders of Idaho game warden Bill Pogue and Conley Elms by Claude Dallas, the cold case of Art
Stevie Bates Made It Back to New York. Then She Vanished
Stevie Bates Made It Back to New York. Then She Vanished Jun 3, 2026 1833 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 skeletal remains were discovered wrapped in a blanket at an abandoned house in Queens, the same property where her boyfriend had reportedly been squatting. In this episode of Zone 7,

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