The Autobiography of the Top-ranked Marine Sniper A non fiction book With more than sixty confirmed kills, Jack Coughlin is the Marine Corps' top-ranked sniper. Shooter is his harrowing first-person account of a sniper's life on and off the modern battlefield.Gunnery Sgt. Jack Coughlin is a divorced father of two who grew up in a wealthy Boston suburb. At the age of nineteen, although he had ne...