This photo provided by the University of Colorado shows James Holmes. University spokeswoman Jacque Montgomery says 24-year-old Holmes, who police say is the suspect in a mass shooting at a Colorado movie theater, was studying neuroscience in a Ph.D. program at the University of Colorado-Denver graduate school. Holmes is suspected of shooting into a crowd at a movie theater killing at least 12 people and injuring dozens more, authorities said. (AP Photo/University of Colorado)
THOMAS PEIPERT and P. SOLOMON BANDA
AURORA, Colo. - New York City's police commissioner says the gunman in the Colorado movie theater rampage had painted his hair red and called himself the Joker - the villain from the Batman movies.