Christopher Buchanan

"On November 30, 2007, 24-year-old Kevin Shields went out drinking with three Army buddies from Fort Carson, Colo., a base on the outskirts of Colorado Springs. A few hours later, he was dead -- shot twice in the head at close range and left by the side of the road by his fellow soldiers. Shields' murder punctuated a string of violent attacks committed by the three, who are now serving time in prison for this and other crimes, and it contributed to...