Zone 7 with Sheryl McCollum
iHeartPodcasts and CrimeOnlineWork 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 ... more
| Publishes | Weekly | Episodes | 311 | Founded | 4 years ago |
|---|---|---|---|---|---|
| Number of Listeners | Category | True Crime | |||
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Latest Episodes
On September 30, 2026, Tennessee attempted to execute death row inmate Christa Pike by lethal injection for the 1995 murder of 19-year-old Colleen Slemmer. Despite receiving two doses of pentobarbital, Pike survived. She lost consciousness but contin... more
Presley Gerber, the 27-year-old son of supermodel Cindy Crawford and businessman Rande Gerber, died at a sober living facility in September 2026. His death is being investigated as a suspected overdose. Despite his family’s resources and access to tr... more
The Lindsay Clancy trial ended in a mistrial in September 2026 after jurors were unable to reach a unanimous verdict in the case involving the deaths of her three young children. The case has sparked strong opinions and heated debate, and with anothe... more
High-profile cases don’t stay behind the scenes anymore. Lawyers are hired before investigations are complete, advocates and private experts release their own findings, witnesses speak on podcasts, and online accusations spread long before anyone is ... more
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Reviews
- 9-11
This is just the tip of the iceberg of what the people of Gander did for us. You can’t truly understand these people unless you visit there. They are friends for life and they never want anything in return. It’s just the way they are!!!
Apple Podcasts5NSBPTC
United Statesa month ago - Best hidden gem
I have listened to every single episode. My favorite are the ones with Josh.
Apple Podcasts5Hessiebessie05United States4 months ago - Personable Edutaining
I feel like I’m sitting on the porch with Sheryl as she and her guest chat about cases. It’s educational, entertaining, personable, and professional when discussing the victims and their families. Truly glad I found this podcast!
Apple Podcasts5JennSQ99United States4 months ago - European listener
Sheryl, your family sounds lovely! Such grounded individuals. Anyway, thanks for a great podcast.
Apple Podcasts5Mal1SA
Norway5 months ago - AWESOME!
I love this podcast- Mac you are awesome and a true inspiration. Makes me want to become a detective!
Apple Podcasts5KennanlizUnited States5 months ago
Listeners Say
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Chart Rankings
How this podcast ranks in the Apple Podcasts, Spotify and YouTube charts.
Apple Podcasts | #71 |  South Korea/True Crime |
Apple Podcasts | #193 |  South Africa/True Crime |
Apple Podcasts | #215 |  Argentina/True Crime |
Apple Podcasts | #239 |  Denmark/True Crime |
Talking Points
Recent interactions between the hosts and their guests.
Audience Metrics
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Frequently Asked Questions About Zone 7
What is Zone 7 about and what kind of topics does it cover?
This show consistently centers on cold cases, investigations, and case narratives, often blending professional law enforcement insight with survivor perspectives. Episodes frequently dissect evidence, interrogation techniques, and the human toll of long-running cases, while highlighting the role of community tips, media coverage, and interagency cooperation. A standout element is the guest roster, which ranges from seasoned investigators and federal case experts to victims' families and crime journalists, offering practical takeaways for professionals and compelling storytelling for general audiences. The format tends to mix rigorous analysis with heartfelt storytelling, making it useful for listeners who want actionable investigative ideas... more
Where can I find podcast stats for Zone 7?
Rephonic provides a wide range of podcast stats for Zone 7. We scanned the web and collated all of the information that we could find in our comprehensive podcast database. See how many people listen to Zone 7 and access YouTube viewership numbers, download stats, audience demographics, chart rankings, ratings, reviews and more.
How many listeners does Zone 7 get?
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What are the audience demographics for Zone 7?
Rephonic provides comprehensive predictive audience data for Zone 7, including gender skew, age, country, political leaning, income, professions, education level, and interests. You can access these listener demographics by upgrading your account.
How many subscribers and views does Zone 7 have?
To see how many followers or subscribers Zone 7 has on Spotify and other platforms such as Castbox and Podcast Addict, simply upgrade your account. You'll also find viewership figures for their YouTube channel if they have one.
Which podcasts are similar to Zone 7?
These podcasts share a similar audience with Zone 7:
1. Body Bags with Joseph Scott Morgan
2. Crime Stories with Nancy Grace
3. Murder Sheet
4. The Consult: Real FBI Profilers
5. Police Off The Cuff/Real Crime Stories
How many episodes of Zone 7 are there?
Zone 7 launched 4 years ago and published 311 episodes to date. You can find more information about this podcast including rankings, audience demographics and engagement in our podcast database.
How do I contact Zone 7?
Our systems regularly scour the web to find email addresses and social media links for this podcast. We scanned the web and collated all of the contact information that we could find in our podcast database. But in the unlikely event that you can't find what you're looking for, our concierge service lets you request our research team to source better contacts for you.
Where can I see ratings and reviews for Zone 7?
Rephonic pulls ratings and reviews for Zone 7 from multiple sources, including Spotify, Apple Podcasts, Castbox, and Podcast Addict.
View all the reviews in one place instead of visiting each platform individually and use this information to decide if a show is worth pitching or not.
How do I access podcast episode transcripts for Zone 7?
Rephonic provides full transcripts for episodes of Zone 7. Search within each transcript for your keywords, whether they be topics, brands or people, and figure out if it's worth pitching as a guest or sponsor. You can even set-up alerts to get notified when your keywords are mentioned.
What guests have appeared on Zone 7?
Recent guests on Zone 7 include:
1. Priya Banerjee
2. Shelley Halligan
3. Claudia King
4. Joshua Schiffer
5. Sharlene Bowen
6. Tawana Spann
7. Chris Enss
8. Meyer Lansky
To view more recent guests and their details, simply upgrade your Rephonic account. You'll also get access to a typical guest profile to help you decide if the show is worth pitching.