Friends and family mourn Marine Cpl. Christopher J. Boyd

SAN DIEGO - Relatives and friends of a highly-decorated 22-year-old Camp Pendleton-based Marine are in mourning following his combat death in Afghanistan.

Cpl. Christopher J. Boyd died Thursday, Aug. 19, 2010 in Helmand Province after an improvised explosive device exploded while he was on foot patrol, according to the Department of Defense.

He was a member of the 2nd Battalion, 4th Marine Regiment, 1st Marine Division, I Marine Expeditionary Force.

A 2006 graduate of Palatine High School in Palatine, Ill., Boyd was the second Camp Pendleton marine from suburban Chicago to die in combat this w...