Boy A (2007)

Freed after a lengthy term in a juvenile detention center, convicted child killer Jack Burridge (Andrew Garfield) finds work as a deliveryman and begins dating co-worker Michelle (Katie Lyons). While out on the road one day, the young Englishman 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.