Fathers appeal to break 'wall of silence' protecting his son's killer

A father's appealing for help to break a wall of silence protecting his son's killer.

Halton McCollin was gunned down at a takeaway in Greater Manchester in what police believe was a case of mistaken identity.

Five years on from his death, his father says he feels a chill down his spine thinking about the gunman, and his accomplices, feeling no remorse for taking an innocent life.