Nick Herrera studied psychology at UC San Diego (B.A.) and Stanford University (M.A., PhD). As an undergraduate, he worked in labs studying the experimental analysis of behavior, applied behavior analysis, and behavior genetics. As a graduate student, he studied social psychology with Bob Zajonc and Phil Zimbardo. As an Honors Intern with the FBI’s Behavioral Science Unit, he studied violent crime and criminal profiling (focusing on serial killers and serial rapists). He also studied painting and drawing at the School of the Art Institute of Chicago. His research on the My Lai massacre and Cambodian genocide examines the proximate social causes of killing, torture, and mass violence.