“Insane” is how Jennifer Carpenter describes her new Dexter guest co-stars in our Emmy red carpet interview below. But that word only begins to describe the scene she’s most looking forward to playing – the one in which Deb finally, finally finds out that her brother is a serial killer.

Dexter First Look: Check Out the Killer Season 6 Poster

Might it happen during the show’s upcoming sixth season (bowing Oct. 2)? Her answer is one click away…

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