Family Tree
After the brutal slaying of a young couple on a road trip, the victims' families begin receiving disturbing letters.
More from Season 1
Episode 1
Buried Secrets
A fire leads investigators to re-examine an unusual death, which meant digging up the victim who had been buried for years.
Episode 2
On the Rocks
The body of a young woman is discovered in a remote area, leading forensic investigators on a search for clues to identify her and her killer.
Episode 3
The Green Pen
When a Yale student mysteriously vanishes days before her wedding, investigators comb a secure research lab for evidence.
Episode 4
Human Sawdust
Police make a shocking discovery when they open a suitcase found floating in a bay.
Episode 5
The Barn
A popular handyman in a New Hampshire town is found murdered and investigators follow forensic clues to a shocking conclusion.
Episode 6
A Killer Disguise
A woman is killed in a crowded parking lot in the middle of the day. It looks like a professional hit, but evidence unveils an elaborate plan.
