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    FULL EPISODE: The Unusual Suspect

    06:03
  • The Unusual Suspect Part 2

    06:54
  • The Unusual Suspect Part 3

    05:04
  • The Unusual Suspect Part 4

    05:16
  • The Unusual Suspect Part 5

    08:59
  • The Unusual Suspect Part 6

    06:26
  • Former FBI Profiler Looks Into the Mother/Daughter Homicides

    02:03

FULL EPISODE: The Unusual Suspect

07:05

When two mothers and their teenage daughters are murdered in a suburb of Maryland, investigators must answer a terrifying question: is this the work of a serial killer? Dennis Murphy reports.