Command Sergeant Major Tyler Walker served his country for 34 years—two in the U.S. Marine Corps and the rest in the U.S. Army. It was his time as a Marine that cost him his health. As a Marine, Walker was exposed to contaminated water at Marine Corps Base Camp Lejeune. “Two years training, living in the barracks, drinking [toxic water], cooking with it, showering with it,” said LPR Attorney Brian Barr in an interview with Steve Murphy, Executive Producer and Host of the Insider Exclusive “Justi