“The Bittersweet Science”-- The BAU team investigates a string of brutal bludgeonings in Philadelphia and is led to the city’s boxing scene in search of a killer with strong blood lust, on CRIMINAL MINDS, Wednesday, Dec. 14 (9:00-10:00 PM, ET/PT) on the CBS Television Network. Guest stars include (from left) Shawn Hatosy as down-on-his-luck boxer Jimmy and Emmy Award Winner Charles S. Dutton as his boxing trainer Tony. #CriminalMinds Photo: Cliff Lipson/CBS ©2011 CBS Broadcasting, Inc. All Rights Reserved