Season 7, Episode 3
After being released from jail, a notorious pedophile admits to abducting and murdering a child 25 years ago. Suspicious of his motives, the detectives reopen the unsolved case in an unusual attempt to prove his innocence. They end up reinvestigating the boy's disappearance with his left-wing activist parents.
A motley crew of retired police officers re-opens troublesome cases that were never laid to rest.