Gunman, 18, wounds classmate at Arapahoe High School

Hundreds of Arapahoe High School students gathered for a candlelight vigil Saturday night, Dec. 14, 2013, to share their prayers for Claire Davis who was shot inside the school Friday, Dec. 13, 2013. The vigil was held at Arapaho Park in Centennial, not far from the school. (AP Photo/The Denver Post, Karl Gehring)
Hundreds of Arapahoe High School students gathered for a candlelight vigil Saturday night, Dec. 14, 2013, to share their prayers for Claire Davis who was shot inside the school Friday, Dec. 13, 2013. The vigil was held at Arapaho Park in Centennial, not far from the school. (AP Photo/The Denver Post, Karl Gehring)