He's the most famous sniper you’ve probably never heard of. Marine Gunnery Sergeant Carlos N. Hathcock II was a Marine Scout Sniper who served two tours in Vietnam, first in 1966, and returning in 1969. Until the wars in Afghanistan and Iraq he held the record for the most confirmed kills in the United States…
di·gres·sion \ -ˈgre-shən \
1: the act or an instance of leaving the main subject in an extended written or verbal expression of thought : the act or an instance of digressing in a discourse or other usually organized literary work.
2: archaic : a going aside