Season 4, Episode 5 Dirty Harry

First Aired: October 25, 2009

Dexter decides to take on the Trinity Killer case on his own; Debra takes the blame for an unforeseen event that she had no control over; and Rita discovers one of Dexter's secrets and begins to question just how much she really knows about her mysterious mate.

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  • Premiered: October 1, 2006
  • Rating: TV-MA
  • Premise: A forensic expert lives a double life as a vigilante-serial killer who murders wrongdoers who've escaped justice. (more)

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