Police say he used several weapons , including an AR-15 rifle , before fleeing the theater . A Colorado judge sets an April 14 trial date for James Holmes . Holmes faces 166 charges related to a mass shooting at an Aurora movie theater . Police have claimed that he plotted out the attack well in advance . The case has centered around Holmes ' mental health .
A Colorado judge sets an April 14 trial date for James Holmes . Holmes faces 166 charges related to a mass shooting at an Aurora movie theater . Police have claimed that he plotted out the attack well in advance . The case has centered around Holmes ' mental health .