Sgt. Graham Dunne has seen the worst of the worst in the battle between law and order and chaos. A Marine sniper, a SWAT officer and Sniper, an instructor of America's badasses, and a protector of some of the most important people in America, Graham's new book "Jagged Blue Line" takes you on a journey […] The post DZ Ep 276 – Graham Dunne Author of "Jagged Blue Line" appeared first on The Disruption Zone.