'Dexter' Season 7 spoilers: Guess what Deb discovers in Dexter's apartment!

michael-c-hall-jennifer-carpenter-dexter-episode-8-2.jpgWith the anticipation for "Dexter's" return almost killing us, Showtime has released a behind-the-scenes video with tons of clues about the game-changing seventh season.

If you don't want to be spoiled, act like one of Dexter's victims and run away now!

So far we've learned that in addition to catching Dexter ( Michael C. Hall) in the act of slaying Travis Marshall ( Colin Hanks), Deb (Jennifer Carpenter) finds out it wasn't his first killing. In fact, she discovers that her brother has a secret hobby... muuurder.

First she makes the connection between the bizarre way Dexter dispatched of the plastic-wrapped Doomsday Killer and her own narrow escape from the Ice Truck Killer back in Season 1:

"I was set up on that table the same way Travis Marshall was set up on the altar," she grills Dexter. "How do you explain that?"

The new lieutenant becomes even more suspicious when Dexter's babysitter tells her he is "working late":
  jennifer-carpenter-dexter-knives.jpg"Does that happen a lot?" she asks Jamie. The jig is well and truly up when Dexter finds Deb waiting in his apartment...with his collection of knives and blood slides of his victims laid out on his table.

His excuses don't satisfy her this time, and she punches him in the face.

Ouch. The question is, how much more pain does the dedicated cop deliver to Miami's most prolific murderer?

Guess we'll find out in a few weeks.

"Dexter" returns to Showtime Sunday, Sept. 30, at 9 p.m.

Photo/Video credit: Showtime
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