Carla Jamerson, Zoe Johnson, and Audrie Pott have one thing in common: They committed suicide as an alleged result of cyberbullying. None of these girls was older than 15.

Psychologists have established four personality traits that may explain a person’s willingness to inflict pain and suffering on others: narcissism, psychopathy, sadism, and deception. Called the “Dark Tetrad,” this combination of traits may explain why some teens are able to taunt, harass, and bully others online — sometimes to the point of no return. Continue reading →