in people who knew them as innocent children, not monsters. Holmes' lawyers told jurors that if they are to hold his life in their hands, they must know everything about it.

How a boy 'lost his joy'

Photos: Colorado movie theater massacre Photos: Colorado movie theater massacre The public gets its first glimpse of James Holmes, then 24, the suspect in the Colorado theater shooting during his initial court appearance July 23, 2012. With his hair dyed reddish-orange, Holmes, here with public defender Tamara Brady, showed little emotion. He is accused of opening fire in a movie theater July 20, 2012, in Aurora, Colorado, killing 12 people and wounding 70. Holmes faces 166 counts, almost all alleging murder or attempted murder. He has pleaded not guilty by reason of insanity.More photos: Mourning the victims of the Colorado theater massacre Hide Caption 1 of 45 Photos: Colorado movie theater massacre Police release the official photo from Holmes' booking after the shooting. Hide Caption 2 of 45 Photos: Colorado movie theater massacre Holmes often had a blank stare during his July 23, 2012, court appearance, seeming to be in a daze. Hide Caption 3 of 45 Photos: Colorado movie theater massacre Victims and their relatives and journalists watch the proceedings in 2012. Hide Caption 4 of 45 Photos: Colorado movie theater massacre Flags fly at half-staff on July 23, 2012, at the Arapahoe County Courthouse in Centennial, Colorado, where the movie theater shooting suspect had his first court appearance. The murder counts against Holmes carry a possible death penalty.