Once brutal murder happens, it always takes detectives or the police a long time to find out the truth. Murderers’ characteristics and behaviors reflect why they kill people cruelly and directly influence the way they commit a crime. It turns out that murderers would have certain characteristics in common. This essay will argue that in novel “In Cold Blood” and “A Good Man is Hard to Find”, murderers, Perry, Dick, and Misfit, all have characteristics that distinguish them from the others. Similar