About those "nice guys"...
"Dangerous Instincts: Ex-FBI profiler explains dangers of that 'nice' neighbor... O'Toole worked as a profiler for the FBI for 30 years, headquartered in Quantico... the most dangerous criminals were often the ones who came across as the most harmless. That's how they were able to continue harming people. 'Over the years, I used to hear this all the time. Other investigators would explain to her why they had disregarded suspects: I just looked at him, man to man, and I could tell that he was a good guy'... It bothered her enough that she decided to write a book whose premise goes against everything humans want to believe about their hunches. Your gut instinct? It is wrong..." http://www.washingtonpost.com/lifestyle/style/dangerous-instincts-fbi-profile...
