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!
Zone 7 with Sheryl McCollum
iHeartPodcasts and CrimeOnline
Next episode on Monday.
274 episodes • 0 archived •
S12 E6·
Yesterday
Yesterday
34 mins
S116 E1·
February 10
February 10
50 mins
S115 E1·
February 4
February 4
42 mins
S114 E1·
January 28
January 28
45 mins
S113 E1·
January 21
January 21
33 mins
S112 E1·
January 14
January 14
39 mins
S29 E2·
January 7
January 7
33 mins
S111 E1·
Dec 31, 2025
Dec 31, 2025
59 mins
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