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Dr. Peter Langman

Expert on the psychology of school shooters and other perpetrators of mass violence
Psychology
Gun Violence
School Shootings
Radicalization

Peter Langman, Ph.D., is a sought-after expert on the psychology of school shooters and other perpetrators of mass violence. He conducts trainings on understanding the psychology of school shooters and identifying potential school shooters for professionals in mental health, education, and law enforcement. In the wake of the Sandy Hook attack, his recommendations on preventing school shootings were presented by the CEO of the American Psychological Association to President Obama.

Peter Langman, Ph.D., is a sought-after expert on the psychology of school shooters and other perpetrators of mass violence. He conducts trainings on understanding the psychology of school shooters and identifying potential school shooters for professionals in mental health, education, and law enforcement. He has spoken on preventing school shootings at the FBI National Academy in Quantico, VA, and been hired by Homeland Security to train professionals in school safety. He is also a researcher with the National Threat Assessment Center of the United States Secret Service. In 2018 he was invited by the Department of Homeland Security to participate in the National School Security Roundtable. Though his primary focus is school shooters, he has spoken at FBI Headquarters on white supremacist homegrown violent extremists and at the National Counterterrorism Center on American jihadis. Dr. Langman served on Pennsylvania’s Joint State Government Commission’s Advisory Committee on Violence Prevention. In the wake of the Sandy Hook attack, his recommendations on preventing school shootings were presented by the CEO of the American Psychological Association to President Obama. His research on school shooters has been cited in congressional testimony on Capitol Hill. In addition to his research on school shootings, Dr. Langman served ten years as president of the Greater Lehigh Valley chapter of the American Foundation for Suicide Prevention (AFSP) and served three years on the board of the Lehigh Valley chapter of the National Alliance on Mental Illness (NAMI). He serves on the advisory board of the National Association of Behavioral Intervention and Threat Assessment (NABITA). Dr. Langman’s latest book, Warning Signs: Identifying School Shooters Before They Strike, was published in 2021. His previous book, School Shooters: Understanding High School, College, and Adult Perpetrators, was published by Rowman & Littlefield in January 2015. His first book, Why Kids Kill: Inside the Minds of School Shooters, was published by Palgrave Macmillan and named an Outstanding Academic Title of 2009 by the American Library Association.

Peter Langman, Ph.D., is a sought-after expert on the psychology of school shooters and other perpetrators of mass violence. He conducts trainings on understanding the psychology of school shooters and identifying potential school shooters for professionals in mental health, education, and law enforcement. In the wake of the Sandy Hook attack, his recommendations on preventing school shootings were presented by the CEO of the American Psychological Association to President Obama.

Peter Langman, Ph.D., is a sought-after expert on the psychology of school shooters and other perpetrators of mass violence. He conducts trainings on understanding the psychology of school shooters and identifying potential school shooters for professionals in mental health, education, and law enforcement. He has spoken on preventing school shootings at the FBI National Academy in Quantico, VA, and been hired by Homeland Security to train professionals in school safety. He is also a researcher with the National Threat Assessment Center of the United States Secret Service. In 2018 he was invited by the Department of Homeland Security to participate in the National School Security Roundtable. Though his primary focus is school shooters, he has spoken at FBI Headquarters on white supremacist homegrown violent extremists and at the National Counterterrorism Center on American jihadis. Dr. Langman served on Pennsylvania’s Joint State Government Commission’s Advisory Committee on Violence Prevention. In the wake of the Sandy Hook attack, his recommendations on preventing school shootings were presented by the CEO of the American Psychological Association to President Obama. His research on school shooters has been cited in congressional testimony on Capitol Hill. In addition to his research on school shootings, Dr. Langman served ten years as president of the Greater Lehigh Valley chapter of the American Foundation for Suicide Prevention (AFSP) and served three years on the board of the Lehigh Valley chapter of the National Alliance on Mental Illness (NAMI). He serves on the advisory board of the National Association of Behavioral Intervention and Threat Assessment (NABITA). Dr. Langman’s latest book, Warning Signs: Identifying School Shooters Before They Strike, was published in 2021. His previous book, School Shooters: Understanding High School, College, and Adult Perpetrators, was published by Rowman & Littlefield in January 2015. His first book, Why Kids Kill: Inside the Minds of School Shooters, was published by Palgrave Macmillan and named an Outstanding Academic Title of 2009 by the American Library Association.

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