Terrorism expert failed to spot warning signs about Fishmongers’ Hall attacker – inquest

Expert accepted backstory' about why Usman Khan was wearing a thick coat indoors that concealed fake suicide vest

A prison counter-terrorism expert has admitted to an inquest that he failed to pick up on warning signs about Usman Khan when he talked to him just before his deadly terror attack at Fishmongers' Hall in London.

Steve Machin, the head of counter-terrorism at Whitemoor prison, where Khan had been held 11 months before his attack, said he was not in a work headspace" when he chatted to Khan at a prison education event in the hall, hosted by Cambridge University's Learning Together organisation.