Agents take Hadden Clark on the road to find clues to his many cold cases.

Jesus’ story emerges while Hadden hints at the full scope of his brutal crimes.

Detectives conduct an intense interrogation. Hadden’s confessions bring to light a brutal and murderous family history.

The case of a missing woman reveals startling connections to a previous crime.

In 1986, a little girl goes missing from her backyard, and a prisoner gets a disturbing new cellmate.