So the question of who “H” really is – man or woman, dead or alive, one person or more – will have even the most astute Line of Duty watchers ... soon into series 5. DCI Roz Huntley ...

See today's front and back pages, download the newspaper, order back issues and use the historic Daily Express newspaper archive.

Watch: Vicky McClure says Line of Duty stars 'rarely get together now' Vicky McClure has put a dampener on hopes of an imminent Line of Duty comeback by saying the cast "very rarely get together now".