Psychopathic killers: Computerized text analysis uncovers the word patterns of a predator

Psychopathic killers: Computerized text analysis uncovers the word patterns of a predator: As words can be the soul's window, scientists are learning to peer through it: Computerized text analysis shows that psychopathic killers make identifiable word choices -- beyond conscious control -- when talking about their crimes. This research could lead to new tools for diagnosis and treatment, and have implications law enforcement and social media.