The EncroChat hack has given the police unprecedented access to the secrets of organised crime. Nearly four years on from the hack, the detective who led the Met’s EncroChat investigation, DCI Driss Hayoukane, reveals what the police have learnt about OCGs which they didn’t know before....

The truth unearthed about Met police officer PC Kashif Mahmood is stranger than an episode of the fictional drama Line of Duty. And it was evidence unearthed in the EncroChat operation which made him plead guilty. PC Kashif Mahmood had won five awards for his outstanding service as a police...