James Holmes

Samour on Wednesday will formally sentence Holmes to life in prison without parole for the murders of 12 people and up to 3,318 additional years on attempted murder and an explosives conviction

Robert Holmes testified that he never suspected his son was mentally ill before he killed 12 people in the July 2012 attack, but he and his wife became increasingly concerned in the months before the shooting

Families of the 12 people James Holmes killed and the scores he injured in a packed movie theater were relieved that jurors only needed 12 hours to reject the idea that he was legally insane when he opened fire

Attorneys for Colorado theater shooter James Holmes begin presenting their case Thursday by trying to show he was legally insane when he opened fire on a packed movie premiere

The psychiatrist who treated James Holmes before he attacked a Colorado movie theater said she did not have enough evidence to have him detained but was so concerned after he confessed his homicidal thoughts that she violated his health care privacy to call his mother.

James Holmes threats: A month before he shot and killed 12 people in a Colorado theater, James Holmes made threats to her and had homicidal thoughts before she told campus police.