UPDATE: Suspect in Colorado theater shooting was neuroscience graduate student

Friday, July 20, 2012 | 7:16 a.m. CDT; updated 2:56 p.m. CDT, Saturday, July 21, 2012

AURORA, Colo. — A neuroscience graduate student in a gas mask barged into a crowded Denver-area theater during a midnight showing of the Batman movie on Friday, 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.

advertisements