During the station interrogation, the officer said "the cause of his dead", but it should have been "the cause of his death"
Boom mic visible over D.S. Roach in reflection of car window when he arrives at the remand center to talk to Gwynne.
Shadow of boom mic visible on stairs and then on Mr Murdstone's back when he first leads P.C. Melvin up to the flat containing the dead body.