Join or Sign In
Sign in to customize your TV listings
By joining TV Guide, you agree to our Terms of Use and acknowledge the data practices in our Privacy Policy.
Forensic experts and detectives from all over the world showcase how familial DNA testing revolutionises genetic profiling and recount how it has helped solve some of the most extraordinary cold cases.
1 Episodes 2025 - 2025
Episode 6
Thu, Oct 23, 2025