Detectives and forensic experts recount the most extraordinary cold cases that were solved using the revolutionary technique of familial DNA testing.
- Original language
- English
- Released
- 23 Apr 2020
- Last aired
- 12 May
- Status
- Returning
- Length
- 6 seasons · 120 episodes
- Genres
- Documentary, Crime
- Age rating
- TV-14
- Network
- TLC UK, discovery+, FilmRise True Crime
- Country
- United Kingdom
