Related Program: Morning Edition Gunman Picks Off Theatergoers Trying To Escape By Renee Montagne • Jul 20, 2012 Related Program: Morning Edition TweetShareGoogle+Email Listen Listening... / Authorities in Aurora, Colo., say a gunman wearing a gas mask set off an unknown gas and fired into the crowded movie theater. Police are searching the suspects apartment. TweetShareGoogle+EmailView the discussion thread.