Line of Duty quiz - test your knowledge of the suspects and the crimes If you're one of the millions of dedicated to the BBC cop drama, it’s time to test your real duty to the show with our very own interrogation. Updated The video will auto-play soon8Cancel Play now Get the latest celeb gossip and telly news sent straight to your inbox each week with our Showbiz newsletter.Invalid EmailSomething went wrong, please try again later. Subscribe When you subscribe we will use the information you provide to send you these newsletters. Your information will be used in accordance with ourPrivacy Notice.