Season 4, Episode 6 If I Had a Hammer
First Aired: November 1, 2009
Dexter steps up his own investigation into the Trinity Killer case when he realizes the police department is making major headway; Debra's frustration over getting shut out of her own case leads her to make compromising decisions that could impact her job. Elsewhere, Batista and LaGuerta have second thoughts about personal and professional decisions that may affect their jobs and relationship; and Dexter gets romantic advice from an unlikely adviser.
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- Premiered: October 1, 2006
- Rating: TV-MA
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- Premise: A forensic expert lives a double life as a vigilante-serial killer who murders wrongdoers who've escaped justice. (more)