When a dozen young women turn up dead across St. Louis, the FBI work to piece together the identity of a sadistic serial killer before he strikes again.

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  • {S}04.{E}03. Lurking Menace

    S04.E03. Lurking Menace

    The FBI search for missing 9 year-old Jessica Lunsford who disappeared from her bed in the middle of the night. But does someone close to home have something to hide?
    Duration: 43 Min
  • {S}04.{E}04. The Black Widow

    S04.E04. The Black Widow

    When Robert O’Dubaine is found shot to death, this apparent gangland hit unravels into a case of betrayal, which sends the FBI on the hunt for a lethal temptress.
    Duration: 44 Min
  • {S}04.{E}05. Bound For Murder

    S04.E05. Bound For Murder

    When two young girls go missing from a small California town, the FBI and local police go on high alert searching out a serial predator before he strikes again.
    Duration: 44 Min
  • {S}04.{E}06. You Belong To Me

    S04.E06. You Belong To Me

    After three people are murdered in Jacksonville, the FBI and police track a man who dares to raft across the Rio Grande to seek refuge in a Mexican prison.
    Duration: 43 Min
  • {S}04.{E}07. The Bronx Butcher

    S04.E07. The Bronx Butcher

    When FBI Special Agent Mike Clarke begins an Albanian serial murder investigation, his efforts leads to The Bronx, NY and the unsolved murder of Mary Beal.
    Duration: 44 Min