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PODCAST

Zone 7 with Sheryl McCollum

iHeartPodcasts and CrimeOnline

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!

true crime

All Episodes

34:06

Inside the Boston Strangler Case: Casey Sherman on...

Zone 7 with Sheryl McCollum ·

2026/03/25

In this week’s episode of "Zone 7," Sheryl McCollum talks with author and investigative reporterCasey Sherman about the murder of his aunt, Mary Sullivan, long believed to be the final victimof the Boston Strangler, and the lasting impact her murder had on his family. Casey explainswhy his family has long questioned the official story, pointing to evidence that, in his view,complicates what many people think they know about the case. Their conversation touches on DNA analysis, missing

en-US

34:06

Inside the Case Against Kouri Richins: Nate Eaton on...

Zone 7 with Sheryl McCollum ·

2026/03/18

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 Zone 7, Sheryl McCollum talks with investigative reporter Nate Eaton, who has been in court following the testimony, key witnesses, and the evidence surrounding Eric's death. Together, they discuss the prosecution's theory of motive, the evidence tied to money and deception, the Valentine's Day

en-US

39:09

The Nancy Guthrie Investigation: Joe Giacalone on...

Zone 7 with Sheryl McCollum ·

2026/03/11

When an 84-year-old woman vanishes from her home in the middle of the night, leaving behindsigns of blood and a struggle, every early decision investigators make is critical. Retired NYPDsergeant Joe Giacalone returns to Zone 7 to talk with Sheryl McCollum about the Nancy Guthrieinvestigation and the mistakes they believe set the case back from the start. Together, they walk through the investigative failures, why the ransom note narrative never rang true, and the steps investigators can still take

en-US

35:41

The Derwin Brown Assassination: Dale Cardwell on...

Zone 7 with Sheryl McCollum ·

2026/03/04

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 corruption inside the DeKalb County Sheriff’s Office, exposed deputies working on the clock for Sidney Dorsey, and helped fuel a political shakeup that ended in the murder of Sheriff-elect Derwin Brown. Dale shares how the story unfolded, the danger it brought to his own family, and the break

en-US

40:26

Crime Roundup: Inside the Zone 7 Live 10-8 Event at...

Zone 7 with Sheryl McCollum ·

2026/02/27

This episode of Zone 7’s Crime Roundup captures the energy of the first stop on SherylMcCollum’s 10-8 Tour: a packed house, a hot mic, and the kind of stories you only get whenprosecutors, defense attorneys, detectives, and crime-scene folks are all sitting at the sametable. With Joshua Schiffer and Franz Borghardt alongside her, Sheryl recaps an unforgettablenight featuring surprise moments, Trial Lawyers College stories, and Nancy Grace taking arapid-fire stack of audience questions

en-US

60:09

Nancy Guthrie Disappearance: Blood Evidence,...

Zone 7 with Sheryl McCollum ·

2026/02/23

In this Zone 7 special on the disappearance of 84-year-old Nancy Guthrie, Sheryl McCollum andretired NYPD detective Tom Smith break down what a disciplined first 24 hours should havelooked like and why the public-facing story has created confusion. They walk through thebiggest unanswered questions, including “unknown male DNA,” the surveillance video, and whya classic ransom scenario is not tracking. For those looking to catch up further as the situationdevelops, additional coverage and

en-US

34:44

Long Island Serial Killer | Trial Clock Starts Now:...

Zone 7 with Sheryl McCollum ·

2026/02/18

When a judge declared that Rex Heuermann’s trial would begin after Labor Day “come hell orhigh water,” the Long Island Serial Killer case entered a decisive new phase. In this episode of Zone 7, Sheryl McCollum is joined by journalist Laura Ingle for a boots-on-the-ground update ofthe Long Island Serial Killer investigation. They examine the sweeping defense omnibus motion,the ongoing fight over DNA evidence, and what prosecutors are expected to file ahead of theMarch 3 and March

en-US

50:05

Nancy Guthrie Missing: Blood, Bitcoin, and a Story...

Zone 7 with Sheryl McCollum ·

2026/02/10

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 of "Zone 7," Sheryl McCollum, retired NYPD homicide detectives Dan Murphy and Tom Smith, and forensic pathologist Dr. Priya Banerjee assess why blood at the scene, a prolonged presence inside the home, and Nancy’s medical vulnerabilities undermine the ransom narrative. The panel also examines

en-US

42:40

A Missing Teen and a High-Profile Arrest: The...

Zone 7 with Sheryl McCollum ·

2026/02/04

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," Sheryl McCollum is joined by journalist Lauren Conlin to review what has been said publicly about Celeste’s initial classification as a runaway, her connections to older individuals, and why the continued absence of a named person of interest raises concern. They also turn to the arrest of

en-US

45:21

Louvre Royal Jewels Heist: How Thieves Pulled Off an...

Zone 7 with Sheryl McCollum ·

2026/01/28

In broad daylight on October 19, 2025, thieves dressed as construction workers targeted the Louvre and vanished with $100 million in royal jewels in about eight minutes. In this episode of "Zone 7," Sheryl McCollum is joined by former jewel thief Bryan Sobolewski to lay out exactly how a heist like this gets pulled off, what mistakes crews make when the clock is ticking, and why modern forensics can turn a “perfect” job into an evidence trail. Sobolewski then shares his ownhistory, the

en-US

33:33

New Claims Suggest the Black Dahlia and Zodiac...

Zone 7 with Sheryl McCollum ·

2026/01/21

The LAPD’s most famous cold case, the Black Dahlia, has haunted headlines for generations, and arenewed wave of speculation now argues she was killed by the same person who later calledhimself the Zodiac. In this episode of "Zone 7," Sheryl McCollum is joined by forensic pathologist Dr. Priya Banerjee and forensic psychologist Dr. Joni Johnston to put that theory to the test. They argue Elizabeth Short’s murder reads as intimate and rage-driven, marked by postmortemmutilation and

en-US

39:09

The Zone 7 Hall of Fame! Maurice Edwards on Fighting...

Zone 7 with Sheryl McCollum ·

2026/01/14

Human trafficking investigations rarely look like abduction stories, and the biggest failures oftenstart with a single mistake: mislabeling the victim. In this Hall of Fame Series installment of Zone 7, Sheryl McCollum is joined by Maurice Edwards, a 2023 National Law Enforcement OfficerHall of Fame inductee. Together, they clarify what trafficking looks like in the United States,explain why prosecutors and victim advocates belong in the earliest stages of an investigation,and challenge the language

en-US

33:56

Colonial Parkway Murders Update: New DNA Links and...

Zone 7 with Sheryl McCollum ·

2026/01/07

Nearly four decades after the Colonial Parkway murders first shocked Virginia, new DNA linkshave expanded the known scope of the case while raising questions about investigativeaccountability. In this episode of "Zone 7," Sheryl McCollum is joined by Bill Thomas, whose sister Cathy Thomas was one of the original victims, and Kristin Dilley, his long-time investigative partner and co-host of the podcast, "Mind Over Murder." They walk through the latest DNA identifications tied to Alan Wade Wilmer

en-US

59:36

She Never Came Home: The Lonnie Rogers Cold Case and...

Zone 7 with Sheryl McCollum ·

2025/12/31

In January 1981, during a severe winter storm, Lonene “Lonnie” Rogers disappeared from herhome in rural Pennsylvania, leaving behind her children, her car, and no clear explanation forhow she could have survived the conditions. In this episode of Zone 7, Sheryl McCollum speakswith Lonnie’s daughter, Alison Duiker, about the final hours before the disappearance, theinstability that followed, and the long search for answers that began when Alison was just fiveyears old. Joined by

en-US

40:09

Murder in the Shadow of the White House: Dr. Sunny...

Zone 7 with Sheryl McCollum ·

2025/12/24

Just blocks from the White House, a quiet act of service ended in tragedy. Two young NationalGuard members were ambushed; one was killed instantly, and another was left in criticalcondition. This week on Zone 7, Sheryl McCollum welcomes Dr. Sunny Slaughter to reflect onwhat happened that day and what it reveals about leadership, language, and the power ofrestraint. Together, they explore how hate takes root, why communication can be a matter of life and death, and what it truly means to serve with

en-US

1:04

Coming 2026 on Zone 7...

Zone 7 with Sheryl McCollum ·

2025/12/22

Sheryl briefs us on Zone 7 news for the New Year!See omnystudio.com/listener for privacy information.

en-US

49:40

Winter Break Turned Tragic: The Day Violence Struck...

Zone 7 with Sheryl McCollum ·

2025/12/22

At 4:22 p.m. on what should have been an ordinary December afternoon, gunfire erupted insidethe engineering building at Providence College. Students preparing for final exams foundthemselves barricaded in classrooms as text alerts warned, “Hide. Stay where you are. Silenceyour phone.” This week on "Zone 7," Sheryl McCollum and retired FBI Special Agent Scott Duffey revisit the Providence College shooting, where a day of finals spiraled into chaos and tragedy. Together, they discuss the

en-US

24:10

The Search, the Lies, and the Verdict: Justice for...

Zone 7 with Sheryl McCollum ·

2025/12/17

The verdict is in: Brian Walshe has been found guilty of first-degree murder in the death of hiswife, Anna Walshe. This week on "Zone 7," Sheryl McCollum is joined by Dani, creator and host of "Dani After Dark." The two revisit the Brian Walshe trial, where months of evidence, emotion, and courtroom drama culminated in a single word: guilty. From the disturbing Google searches to the cash-only shopping trips for bleach, buckets, and a hacksaw, the jury weighed the evidence alongside the confession

en-US

25:28

Seven Overdose at Providence College House Party:...

Zone 7 with Sheryl McCollum ·

2025/12/15

From college dorms to quiet suburbs, fentanyl's reach no longer fits a stereotype. This week on Pathology with Dr.Priya, a Zone 7 series, Sheryl McCollum and Dr. Priya Banerjee confront the reality of a Providence College houseparty that nearly claimed seven young lives. Together they discussed the chemistry, economics, and criminalpsychology behind modern synthetic drugs, showing how a single white powder can conceal a fatal mix, and howdealers prioritize profit over safety. These drugs do not

en-US

33:21

Sean “Diddy” Combs’ Special Treatment in Prison | NBA...

Zone 7 with Sheryl McCollum ·

2025/12/10

The empire is gone, but the influence remains. This week on Zone 7, Sheryl McCollum andjournalist Lauren Conlin discuss Sean “Diddy” Combs’ life inside federal prison, from covetedassignments and rule violations to the month of good time he lost. Drawing on her extensivecoverage from jury selection to sentencing, Lauren explains how Diddy's actions inside prisonexpose the difference between reputation and reality. Their conversation then turns to theNBA's gambling scandal where

en-US

280 results

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