Season 3, Episode 9 A Perfect Day

First Aired: November 27, 2005

Lilly investigates the 1965 death of a 4-year-old girl after the child's battered body is discovered by a man fishing in a nearby river. The investigation turns up evidence that the girl's mother was an abused wife and that her husband was a cop. The probe also reveals that the girl may have had a sibling.