ITV Share By Tamzin Meyer Nov 18 2025 By Tamzin Meyer Nov 18 2025 Coronation Street fan theory predicts Becky will murder Costello in dark scenes Costello is attacked next week Becky Swain DI Costello Share By Tamzin Meyer Nov 18 2025 By Tamzin Meyer Nov 18 2025 Coronation Street spoilers have revealed that Costello will be attacked, and a new fan theory predicts Becky will murder him. Becky recently made a threat towards Costello and his daughter and it appears as though she might attempt to follow through with her words of warning. Spoilers for next week confirm that Costello is attacked, but who by? Could it be Becky? Becky has made a few threats to Costello (Credit: ITV) Coronation Street spoilers revealed Costello is attacked after Becky threat The tension between Costello and Becky has reached boiling point, with both trading chilling threats. When Costello warned Becky he’d have her killed – just as he claimed to have done with Tia Wardley – she refused to be intimidated or flee to Alicante. Instead, Becky made it clear she’s staying put until she wins her family back. And if Costello stands in her way, she warned, both he and his daughter could suffer the consequences. Savage. Article Continues Below Read all the latest Spoilers Spoilers for next week hint Becky may have followed through. After a funeral wreath lands on her doorstep, she storms off to confront Costello. Later, she’s spotted at the precinct secretly snapping photos of teenage girls. Not long after, Costello receives a chilling message – a photo of his daughter. Another threat. When Costello fails to show up for work, Kit Green discovers he’s been attacked. His immediate reaction? Point the finger straight at Becky.Could Becky really have crossed the line, or is someone else pulling the strings? Costello needs to be careful (Credit: ITV) Coronation Street fan theory predicts Becky and Costello murder twist With Becky having threatened Costello, and with Costello being attacked next week, a new Coronation Street fan theory has predicted that Becky will go as far as killing the Weatherfield DI. The theory on X read: “Hopefully Lisa realises before it’s too late for Costello! ‘Cos I seriously think that after the attack, he will get murdered by Becky!” Whether Becky is behind the attack remains to be seen, but she will ‘stop at nothing’ to get her way. She’s already threatened him and his daughter, but does she really have it in her to bump him off? Read more: 8 huge things to expect from Coronation Street this Christmas Share Good to Know Share By Tamzin Meyer Nov 18 2025 By Tamzin Meyer Nov 18 2025 Previous Story Next Story