"In the bestselling tradition of The Psychopath Test and The Sociopath Next Door, a compelling journey into the science and behavior of psychopaths in our lives, written by the leading scientist in the field of criminal psychopathy. Kent A. Kiehl, who created the Mind Mobil MRI System to study psychopaths in prison populations, has collected the world's largest repository of forensic neuroscience, with scans of more than five hundred psychopaths and...

Boston Detective D. D. Warren cannot remember how she was attacked while walking the murder scene after dark. She is later told she managed to discharge her weapon three times. All she knows is that she is seriously injured, unable to move her left arm, unable to return to work. Six weeks later, a second woman is discovered murdered in her own bed. The only person who may have seen the killer is Detective D. D. Warren, who still cannot recall a single...