CORRIE killer John Stape is set to claim his THIRD victim in the New Year when Joy Fishwick dies mysteriously.
Joy (Doreen Mantle) suffers a suspected heart attack as she tries to find out what happened to her son Colin.
But it later emerges that disgraced teacher John is connected with the death.
Viewers saw John (Graeme Hawley) burying Colin Fishwick in the soap's factory earlier this year.
He collapsed and died during a row over John illegally stealing his identity so he could return to teaching - despite previously kidnapping pupil Rosie Webster.
Next month viewers will see him attack accomplice Charlotte Hoyle (Becky Hindley) with a hammer before telling doctors she was injured in the forthcoming tram crash.
He will later try and turn off her life support machine to finish the job.
A Corrie source told TV Biz: "John didn't start out by deliberately killing Colin.
"But now as his life threatens to unravel he goes to unbelievable lengths to stop his body being found. Viewers will see him murder Charlotte during the show's 50th anniversary week. When Joy asks questions, she is the next on his list. John makes it look like natural causes again. It's a while before anyone links him to the deaths."
John's wife Fiz gives birth to daughter Hope next month.
The source added: "John is more determined than ever not to let his family down and get caught."
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