A quick rundown of this week's episode:

- Rita discovers Dexter still have his apartment and makes him sleep there.

- Deb is overcome by guilt over her role in Lundy's death. She tells Anton she slept with him and breaks it off with him.

- Using Lundy's tapes, Dexter tracks down Trinity. He actually witnesses the latest killing, via a security camera in an office park: Trinity bludgeons a man to death. When Dexter follows him home, he gets a shock: Trinity has a wife and kids.