Three boys kick over a mysterious barrel in the woods. A small town cop fishes for answers. Evidence is buried, and the case goes cold.

The discovery of a second barrel raises questions. A stalled investigation churns back to life and then stalls again. An amateur sleuth takes Jason into the forest.

After 30 years of torpor, investigators finally inch the Bear Brook case forward. A geologist uncovers the history buried in human teeth and hair. The faces of the victims are reconstructed.

An ominous New Year’s party introduction. An estranged cousin goes missing. Police question a man with multiple identities. A search leads authorities to his basement.

A child is abandoned. Timelines come together. A family tree begins to take shape. A chameleon is revealed.

The case that was solved in reverse leaves many questions unanswered. New methods of inquiry are used to crack other cold cases. Do groundbreaking techniques come at the cost of genetic privacy?

The Bear Brook investigation leads to a new discovery. A victim in a different murder case is identified.

A son remembers his father, and ponders how he became The Chameleon.

Websleuthing meets genetic genealogy, and one of the last mysteries in the Bear Brook case comes to a close.