Dexter: [voiceover] It was me. The idea of a code was one thing, a grand idea, a noble cause. But the reality of it ... Harry walked in on what he created. And he couldn't live with himself.
Doakes: What, Morgan? What now?
Dexter: I killed my father.
Doakes: What, Morgan? What now?
Dexter: I killed my father.
Dexter : [voiceover] It was me. The idea of a code was one thing, a grand idea, a noble cause. But the reality of it ... Harry walked in on what he created. And he couldn't live with himself.
Doakes : What, Morgan? What now?
Dexter : I killed my father.
http://www.tv-quotes.com/shows/dexter/quote_2332.html
