Coronation Street has pulled off a massive surprise by bringing back the infamous serial killer Richard Hillman in today's Christmas Eve episode. The businessman, portrayed by actor Brian Capron in the ITV soap, met his end in 2003 when his plot to murder Gail, Sarah, David and Bethany by drowning was foiled. Chilling scenes at the conclusion of the episode will see Brian reprising his iconic role, returning to the cobbles 21 years after apparently dying in a canal. Gail, waking from a nap on