By Kim Murphy / The Bulletin
December 28, 2011
JOINT BASE LEWIS-MCCHORD, Wash. — Mary Coghill Kirkland said she asked her son, 21-year-old Spc. Derrick Kirkland, what was wrong as soon as he came back from his first deployment to Iraq in 2008.
He had a ready answer: “Mom, I'm a murderer.”
He told her how his team had kicked in the door of an....