An Arapahoe high school student prays at the school in Centennial, Colorado December 15, 2013. Claire Davis, a 17-year-old Colorado high school senior shot in the head December 13 by a heavily-armed ... more 
An Arapahoe high school student prays at the school in Centennial, Colorado December 15, 2013. Claire Davis, a 17-year-old Colorado high school senior shot in the head December 13 by a heavily-armed classmate who stormed the school remained in critical condition, the county sheriff said. REUTERS/Rick Wilking (UNITED STATES - Tags: CRIME LAW) less 
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Reuters | Photo By RICK WILKING / REUTERS
Sun, Dec 15, 2013 6:20 PM EST