article_snippet.sent: (CNN)Seven minutes after an Aurora, Colorado, theatergoer called 911 to report a massacre in progress, James Holmes James Holmes surrendered to police, a dozen dead bodies allegedly in James Holmes wake.
article_snippet.sent: According to police, James Holmes attended the midnight showing of "The Dark Knight Rises" at the Century Aurora 16 Multiplex Theater but left through a rear door alongside the movie screen, propping the movie screen open behind James Holmes.
article_snippet.sent: James Holmes returned in "head-to-toe protective gear," including a gas mask, about 18 minutes into the movie, police said, and threw two tear gas canisters into the Century Aurora 16 Multiplex Theater before opening fire with an AR-15 rifle, a 12-gauge shotgun and at least one .40-caliber handgun.
article_snippet.sent: his attack killed 12 people and wounded another 70, a level of violence not seen in Colorado since the Columbine High School shooting.
article_snippet.sent: Five days later, authorities discovered a package in a University of Colorado-Denver mail room that police say James Holmes apparently sent.
article_snippet.sent: Colorado authorities had no previous contact with James Holmes, outside of a 2011 speeding summons, and James Holmes graduated in 2010 from the University of California, Riverside, with highest honors and a bachelor's degree in neuroscience.
article_snippet.sent: James Holmes enrolled as a doctoral candidate in the University of Colorado School of Medicine's neuroscience program in 2011 but dropped out the following year without providing a reason, according to a university spokeswoman.
article_snippet.sent: James Holmes suffers from a severe mental illness and was in the throes of a psychotic episode when James Holmes committed the acts that resulted in the tragic loss of life and injuries sustained by movie goers on July 20, 2012," the motion said.