Line of Duty viewers predict huge twist after DCI Roz Huntley turns on DCI Ted Hastings over murder accusation, as others outraged by missed clue

After DS Steve Arnott’s shocking attack the week before, his fate was finally revealed tonight. As was the attacker’s identity, with it appearing Steve was assaulted by the balaclava man who has already claimed other victims. Viewers predicted that DCI Roz Huntley’s husband Nick was behind the attack – and they were right. But viewers suddenly wondered whether there were two balaclava men, not believing…