McNamara has trained tactical applications of shooting to people of all levels of marksmanship, from varsity level soldiers, and police officers who work the streets to civilians with little to no time behind the trigger. His military experience quickly taught him that there is more to tactical marksmanship than merely squeezing the trigger. More @Wikipedia
Hover over any link to get a description of the article. Please note that search keywords are sometimes hidden within the full article and don't appear in the description or title.