Arlene and Robert Holmes, parents of accused Aurora theater gunman James Holmes, leave James Holmes' arraignment in Centennial, Colorado March 12, 2013. A Colorado judge presiding over the case of Holmes entered a not guilty plea on his behalf on Tuesday to charges that he went on a shooting spree nearly eight months ago that killed 12 moviegoers. REUTERS/Rick Wilking (UNITED STATES - Tags: CRIME LAW DISASTER)