'I was always unemotional about it: I did exactly what I was trained to do and I followed the rules of engagement. If he carried a weapon, he was a target ... The instructors taught what was needed to help us stay alive, but there is a lot more to sniping. There were questions no one asked, such as where did the shooting skills we were taught come from, and how did we develop such accurate rifles? This book explains all of that, as well as why a lot of guys like me throughout history have chosen to be snipers. None of us did it to be heroes or to get medals - a sniper with attitude isn't going to live long - we did it because we wanted to make a difference.