Emmerdale fans say 'best shock in soap history' in sinister Cain Dingle 'killer' twistJohn thought he was heading for a new life thanks to his deal with Caleb, but there was another plan loomingView 2 Images Cain Dingle is determined to make John Sugden pay (Image: ITV)Emmerdale fans were all in agreement after Cain Dingle pulled out a "killer" twist to end John Sugden's reign of terror. ‌John Sugden has quietly been terrorising the village for over a year now ever since he arrived last year. Although attempting to connect with Victoria Sugden, John ended up also falling in love with Aaron Dingle. During their ceremony, Robert Sugden showed up to win back his ex-husband Aaron - a move that was unsuccessful. @polingirl suggested: "Do y’all think cain actually shot John??