Main content
The Moment of ProofEpisodes Available now

Episode 7—Series 4
7/13A detective investigating arson clocks a problem with the CCTV, giving a moment of proof.

Episode 5—Series 4
5/13When a child is murdered, a torn-up cheque gives police their moment of proof.

Episode 3—Series 4
3/13A man dies in a house fire after being visited by a stranger. Can police find his killer?

Episode 2—Series 4
2/13Police investigate the murder of a reclusive millionaire at his home in west London.

Episode 6—Series 4
6/13An organised crime gang is brought down by painstaking surveillance work.