The Devil You Know

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  • : 32
  • : 4
  • Discovery
  • 22
  • Crime Documentary

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4
4x1
The Perfect Husband
Episode overview
The disappearance of a Manhattan student is investigated in the Season 4 premiere.
4x2
The Family Man
Episode overview
A father of three is suspected of committing a series of attacks in Ocala, Fla.
4x3
Civil War Serial Killer
Episode overview
The hunt for a serial killer in the Midwest is chronicled.
4x4
Under the Melting Snow
Episode overview
A sister suspects her troubled brother knows more than he should about women who are missing from the streets of Edmonton. She makes a shocking discovery when she looks inside his hockey bag.
4x5
Secret Agent Dad
Episode overview
A devoted son supports his dad through cancer treatment, only to find his world turning upside down as the truth emerges about his dad's double life.
4x6
Black Widow of Texas
Episode overview
A man goes missing after marrying an attractive blonde.
4x7
Doctor of Deceit
Episode overview
A motel owner looking for an online relationship becomes involved with a doctor who has secrets to hide.
4x8
The Kensington Strangler
Episode overview
A woman wonders if her lover is the man responsible for three Philadelphia killings.