Sandy Hook Elementary School . . . Columbine High School. . . San Bernardino social services center . . . Aurora Movie Theater. There are more school shootings and public massacres than anyone wants to believe. What motivates the people behind these horrific crimes? This book addresses the needs of high school psychology students, detailing the accounts of the shooting sprees. The text follows with details of the individuals responsible for the acts and describes how mental health professionals seek to break the physical and psychological motivations of the mass murderers.