Dangerous Personalities

What makes a narcissist go from self-involved to terrifying? In this national bestseller, Joe Navarro, a leading FBI profiler, unlocks the secrets to the personality disorders that put us all at risk.“I should have known.”“How could we have missed the warning signs?””I always thought there was something off about him.”When we wake up to new tragedies in the news every day—shootings, rampages, acts of domestic terrorism—we often blame ourselves for missing the mania lurking inside unsuspecting in