The four-part drama follows the true events of Delia's life in the 1990s, when she met construction worker John Sweeney in a pub in Camden, London. The pair started a relationship and he moved into her home, before he began to emotionally and physically abuse her.

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Until I Kill You is a new ITV drama based on the real-life case of Delia Balmer, who was in a relationship with a man who turned out to be a violent and dangerous killer.

ITV's Until I Kill You is a dramatisation of the horrific true story of the attempted murder of Delia Balmer at the hands of serial killer John Sweeney. But who exactly is David, her supportive partner who she meets later in her life, and the actor who plays him?

Until I Kill You covers the shocking events surrounding the relationship between serial killer John Sweeney, and his girlfriend Delia Balmer - but what happened to the murderer in the aftermath of events depicted, and where is he now?

Where is the real Delia Balmer who inspired ITV's Until I Kill You now? Here's what you need to know about her true life which inspired the drama.

The former agency nurse had met Sweeney at a pub and at first, nothing came of it, but after bumping into one another on the street, Delia decided to get in contact with him. He quickly moved himself into Delia's London home and it was not long before his true identity started to become apparent.