Cast
Detectives and forensic experts recount the most extraordinary cold cases that were solved using the revolutionary technique of familial DNA testing.
1 January 2017
20 March 2020
23 January 2023
6 December 2017
22 May 2017
20 July 2016
3 October 2010
7 October 2009
16 June 2021
4 October 2019
7 October 2012
5 October 2022
18 September 2017
18 June 2021
21 March 2025
12 August 2016
16 September 2015
22 November 2024
20 June 2016
2 April 2019
23 April 2020