Cold Case: Season 2, Episode 15

2 - 15: Wishing

Lilly investigates the 1993 death of a mentally challenged teen who was hit by a train, after drawings appear on his grave that indicate foul play might have been involved. The probe reveals that the boy's mother was dying of cancer at the time and that he was being partially cared for by a 19-year-old friend. Lilly also learns that the boy was a target of abuse at his school.