Zone 7 with Sheryl McCollum
iHeartPodcasts and CrimeOnline · iHeartPodcasts
Show overview
Zone 7 with Sheryl McCollum has been publishing since 2022, and across the 4 years since has built a catalogue of 307 episodes, alongside 1 trailer or bonus episode. That works out to roughly 180 hours of audio in total. Releases follow a weekly cadence, with the show now in its 119th season.
Episodes typically run twenty to thirty-five minutes — most land between 27 min and 41 min — though episode length varies meaningfully from one episode to the next. It is catalogued as a EN-US-language True Crime show.
The show is actively publishing — the most recent episode landed yesterday, with 40 episodes already out so far this year. The busiest year was 2025, with 112 episodes published. Published by iHeartPodcasts.
From the publisher
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!