There was a catalogue of police mistakes, police crimes, and a belief the Met was rotten. Then the inquiries, reports, and apology after apology.

And yet still the head of the Metropolitan Police Service, Dame Cressida Dick, stayed in place. Until last week.

Today, Simon Israel, our former Senior Home Affairs correspondent, looks back at the tenure of Dame Cressida Dick and the long journey to change the culture in the Met Police and discusses whether the canteen culture that has been revealed over the past few years, can really be weeded out.