"Zero Dark Thirty" trailer released: Kathryn Bigelow's controversial movie sheds light on U.S. operation to take out Osama bin Laden

Conservatives have already fired criticism that movie is pro-Obama propaganda film in election year

Sony pictures deployed the first trailer for Kathryn Bigelow's "Zero Dark Thirty" Monday, offering moviegoers a closer look at the controversial movie about the Navy SEAL Team 6 operation to take out Osama bin Laden.

Bigelow's followup to her 2008 Academy Award-winning "The Hurt Locker" came under fire from conservative critics late last year when word leaked that the filmmakers were given access to secret files about the May 1 mission on the Al Qaeda leader's compound in Pakistan...