Unsolved Mysteries: Flint River Killer, Alcatraz Escape & Other Cold Cases

Matt and Sheryl talk about various cold cases. Sheryl “Mac” McCollum is an Emmy Award winning CSI from CBS46’s CSI Atlanta, Director of the Cold Case Investigative Research Institute (CCIRI), a writer for CrimeOnLine, Forensic and Crime Scene Expert for Crime Stories with Nancy Grace, and a CSI for a metro Atlanta Police Department. Sheryl holds a master’s degree in Criminal Justice with an emphasis on Policing. Sheryl's podcast: https://open.spotify.com/show/39AxkVOTQ9HjcNqykeJHX4 Follow me on all socials! Instagram: https://www.instagram.com/insidetruecrime/ TikTok: https://www.tiktok.com/@mattcoxtruecrime Do you want to be a guest? Send me an email here: [email protected] Do you want a custom "con man" painting to shown up at your doorstep every month? Subscribe to my Patreon: https: //www.patreon.com/insidetruecrime Do you want a custom painting done by me? Check out my Etsy Store: https://www.etsy.com/shop/coxpopart Listen to my True Crime Podcasts anywhere: https://anchor.fm/mattcox Check out my true crime books! Shark in the Housing Pool: https://www.amazon.com/dp/B0851KBYCF Bent: https://www.amazon.com/dp/B0BV4GC7TM It's Insanity: https://www.amazon.com/dp/B08KFYXKK8 Devil Exposed: https://www.amazon.com/dp/B08TH1WT5G Devil Exposed (The Abridgment): https://www.amazon.com/dp/1070682438 The Program: https://www.amazon.com/dp/B0858W4G3K Bailout: https://www.barnesandnoble.com/w/bailout-matthew-cox/1142275402 Dude, Where's My Hand-Grenade?: https://www.amazon.com/dp/B0BXNFHBDF/ref=tmm_pap_swatch_0?_encoding=UTF8&qid=1678623676&sr=1-1 Checkout my disturbingly twisted satiric novel! Stranger Danger: https://www.amazon.com/dp/B0BSWQP3WX If you would like to support me directly, I accept donations here: Paypal: https://www.paypal.me/MattCox69 Cashapp: $coxcon69 Learn more about your ad choices. Visit megaphone.fm/adchoices