In the horrific aftermath of school shootings, distraught communities struggle to make sense of these seemingly senseless acts. Despite massive media coverage, we know little about what drives young perpetrators or how they rationalize their acts. In this breakthrough analysis, Dr. Peter Langman presents the psychological causes of school shootings and offers unprecedented insight into why certain teens exhibit the potential to kill. He shows how to identify early signs of possible violence and offers preventative measures that parents and educators can take to protect their...