Enters the world of Colin Stagg, the Met Police's prime suspect. In officers' minds, Stagg perfectly fitted the criminal profile of the killer, and yet there was no hard evidence linking him to the murder. Their hopes of a conviction rested on the involvement of undercover officer Sadie Byrne in his life.
Episode rating
Cast of episode
94
4
1
- DC Sadie Byrne
- Professor Paul Britton
- Colin Stagg
- DI Keith Pedder
- Baz
- Lucy
- DCI Mike Wickerson
- Policeman at Door
- DC Mark De Costa
- DC Martin Long
- Young Napper's Sister
- Female Prison Officer
- Pauline Napper
- Star Journalist
- Press
- Detective
- Policeman
- PC Paul O'Kelly
- Self