The end of NCIS: Los Angeles' first season finally offered some clues about Callen's mysterious history. But in the tradition of the hit CBS franchise, every answer spawns three more questions.
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"Everything you saw at the end of last season with Callen [Chris O'Donnell], in one way or another, is ...
Other Links From TVGuide.comChris O'DonnellEric Christian OlsenLinda HuntLL ..."