If I Had a Hammer is the sixth of twelve episodes in Season Four of DEXTER, and the forty-second overall episode of the series. It first aired 1 November 2009 on Showtime.
Summary
Dexter investigates The Trinity Killer and learns that he is the professor and family man Arthur Mitchell, married with two children. Trinity hides behind a well-kept mask, and getting behind that facade will require some extra prodding on Dexter's part. Dexter is intrigued with the real affection of Trinity for his family and decides to get closer to the serial-killer. He goes to the Sacred Fellowship that helps people and he introduces himself as Kyle Butler.
Meanwhile, Rita forces Dexter to go with her to a marriage therapist expecting to resolve her issues with Dexter.
Debra believes that Nikki Wald had killed Lundy and she is intended to commit perjury against the junkie. She becomes frustrated when she finds herself shut out from her own case. She considers bending the rules in the name of justice, risking her career in the process.
Maria and Angel regret the disclosure to Deputy Chief Tom Matthews about their relationship and they deliver affidavit that they are not dating each other. They realize that by playing by the rules they may have painted themselves into a corner. And when the friction between Rita and Dexter comes to a head, Dexter gleans relationship advice from a most unlikely source.
| Extra Information |
| Title Meaning: |
| If I Had a Hammer - Refers to the title of a folk song of the same name written in 1949 by Pete Seeger. It also mainly refers to the hammer that Trinity killer uses to kill his latest victim which Dexter wants to "have" it in order to examines for clue. But in the ending, Trinity gives it to him by himself. |
| Trivia |
| Dexter uses the alias "Kyle Butler" when he introduces himself to Arthur Mitchell |
| Quotes |
| "I'm perfectly comfortable with bodily fluids. Blood, snot, tears. But the emotions that go along with them - not so much" - Dexter, to himself |
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