By Charlotte Tutton Coronation Street legend Roy Cropper could leave the ITV soap after being accused of murdering a teenager. The fan favourite, played by actor David Neilson, could bow out in upsetting scenes almost 30 years on from his debut. The character was heartbroken in the latest episode on Friday night as he was arrested over Lauren Bolton’s disappearance. As he faced interrogation from DS Swain he faced all kinds of accusations, and was accused of having an inappropriate relationship with missing teen Lauren. Not only that, but a grim discovery led to his arrest and him being accuse…