University of Colorado Hospital Emergency Room doctor Comilla Sasson worked the late shift Thursday night, July 26, 2012, one week after the emergency room was flooded with shooting victims from the Century 16 theater massacre. Karl Gehring/The Denver Pos

University of Colorado Hospital Emergency Room doctor Comilla Sasson worked the late shift Thursday night, July 26, 2012, one week after the emergency room was flooded with shooting victims from the Century 16 theater massacre. (Karl Gehring/The Denver Post via Getty Images)