Until I Kill You is airing on ITV and it explores how serial killer John Sweeney's artwork would eventually lead to his conviction.

ITV viewers were unimpressed over the latest episode of a new compelling crime drama Until I Kill You, which details the story of serial killer John Sweeney.

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Delia is Sweeney's only known surviving victim, with the axe murderer having killed Melissa Halstead and Paula Fields, dumping their bodies in canals. Melissa, 33, was his first victim and he admitted the murder to Delia during one of his angry tirades, recalling how he sat with her body for days before cutting it up and disposing of it in a river.

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.

Played by Endeavour's Shaun Evans in Until I Kill You, you may be wondering where the real-life John Sweeney is currently. In the new ITV drama, we follow Anna Maxwell Martin as Delia Balmer, one of Sweeney's ex-girlfriends who seeks justice over the violent attacks she was subjected to at the hands of Sweeney.

New ITV drama 'Until I Kill You' shows how John Sweeney hid his murderous past while tormenting his then partner Delia Balmer - before trying to kill her as well

New ITV series Until I Kill You follows the story of Delia Balmer, played by Ludwig star Anna Maxwell-Martin, who encounters killer John Sweeney.The harrowing story unfolds following Delia's meeting with Sweeney,