It was the way he got his kills, he stalked and hunted down his targets. He also help write and start the Sniper Program. What ever is a Sniper's confirmed kills, the rule of thumb is you can double the unconfirmed. So Hathcock had about 300 kills.
the military doesn't keep a confirmed kill tally so when you hear lines like the pentagons confirmed kill number for snipers is really just some blowhard trying to sell something, trust me shooters keep a total in their personal records but its not official by any means. this newer and younger crowd of shooters who run their mouths and brag to the world about what they have done really makes me sick and mad at the same time because taking another persons life is not a game even if that person needs to be killed. like the thread we had a while back about the guy who killed osama, someone in that thread said "whatever happened to quite professionals".