Hide Caption 5 of 45 Photos: Colorado movie theater massacre Arapahoe County District Attorney Carol Chambers talks to reporters July 23, 2012, before heading into the courthouse. The murder counts against Holmes carry a possible death penalty. Hide Caption 6 of 45 Photos: Colorado movie theater massacre Family members of the victims arrive at the courthouse July 23, 2012, for the suspect's first court appearance. Hide Caption 7 of 45 Photos: Colorado movie theater massacre The Century Aurora 16 multiplex in Aurora becomes a place of horror after a gunman opened fire July 20, 2012, in a crowded theater. Hide Caption 8 of 45 Photos: Colorado movie theater massacre Holmes is accused of opening fire during a midnight screening of the Batman movie "The Dark Knight Rises." Holmespurchased four weapons and more than 6,000 rounds of ammunition, police say. Hide Caption 9 of 45 Photos: Colorado movie theater massacre Police investigate outside the Century 16 multiplex July 21, 2012, a day after the mass shooting. Hide Caption 10 of 45 Photos: Colorado movie theater massacre Agents search the suspect's car outside the theater. Hide Caption 11 of 45 Photos: Colorado movie theater massacre Aurora police escort a sand-filled dump truck containing improvised explosive devices removed from Holmes' booby-trapped apartment on July 21, 2012. Authorities have said they believe the suspect rigged his place before leaving for the movie theater. Hide Caption 12 of 45 Photos: Colorado movie theater massacre Police break a window at the suspect's apartment July 20, 2012, in Aurora. Hide Caption 13