Line of Duty fans spot another clue about H in latest episode Eagle-eyed viewers think they are onto something... 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. Sometimes they’ll include recommendations for other related newsletters or services we offer. OurPrivacy Noticeexplains more about how we use your data, and your rights. You can unsubscribe at any time.