July 20, 2012
This undated film image released by Warner Bros. Pictures shows Christian Bale as Batman in a scene from the action thriller "The Dark Knight Rises." A gunman in a gas mask barged into a crowded Denver-area theater during a midnight premiere of the Batman movie on Friday, July 20, 2012, hurled a gas canister and then opened fire, killing 12 people and injuring at least 50 others in one of the deadliest mass shootings in recent U.S. history.
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A masked guman goes on a shooting rampage at a midnight showing of "The Dark Knight Rises" in suburban Denver, killing 12 people and injuring at least 50 others.