Boy A (2007)

Freed after a lengthy term in a juvenile detention center, convicted child killer Jack Burridge finds work as a deliveryman and begins dating co-worker Michelle. While out on the road one day, Jack notices a distressed child, and, after reuniting the girl with her family, becomes a local celebrity. But when a local newspaper unearths his past, Jack must cope with the anger of citizens who fear for the safety of their children.