CENTENNIAL, Colo. (AP) — James Holmes was growing volatile well before he put on a gas mask and body armor, strapped on a rifle, shotgun, pistol and ammunition, and slipped into a midnight premiere of the Batman film “The Dark Knight Rises.” He was a sought-after neuroscientist-in-training, but he was falling apart. He told a classmate he wanted to kill people, prosecutors say.
Batman killer studied brain disorders
