IN MOVIES AND on TV, sociopaths are commonly depicted as mega-villains who act outrageously cruel and are manipulative. In real life, however, sociopaths may be a little harder to identify.

"Everyone else had access to hope," Gagne says in her new memoir, "Sociopath." "Schizophrenics, alcoholics, bipolar ...

Patric Gagne is the author of "Sociopath: A Memoir." From a young age, she knew there was something different about herself. She didn't feel emotions the same way other kids did. To avoid stigma ...