Killer Instincts: What Triggers It?

  Professionalism in Killing? No one needs it I suppose. It comes from instincts and from practise. Like experience of a lawyer or maybe a doctor perfects his professional. A killer also is made by practise not just by learning. Because the important part of learning comes from practise. There is no degree for it. But still the ones for hire tend to call them selves professionals.