In this photo taken Wednesday, Sept. 22, 2010, slides of blood samples in a wooden box, a prop regularly used by serial killer character Dexter Morgan is shown during a set visit to the Showtime ... more 
In this photo taken Wednesday, Sept. 22, 2010, slides of blood samples in a wooden box, a prop regularly used by serial killer character Dexter Morgan is shown during a set visit to the Showtime original series,"Dexter" in Los Angeles. less 
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Associated Press | Photo By Chris Pizzello
Thu, Sep 30, 2010 10:22 PM EDT