Dr. Peter Langman is a psychologist whose research on school shooters has
received international recognition. His book, Why Kids Kill: Inside the Minds of
School Shooters, was translated into German, Dutch, Finnish, Russian, and
Serbian. His work has been cited in congressional testimony on Capitol Hill and he
has been interviewed over 600 times by media outlets in 35 countries. After the
Sandy Hook attack, the CEO of the American Psychological Association presented
Dr. Langman’s recommendations on school safety to President Obama. He has
presented at both the FBI Headquarters in Washington, DC, and the FBI National
Academy in Quantico. He has been an invited speaker at the National
Counterterrorism Center and was hired by Homeland Security to train
professionals in school safety. His book, School Shooters: Understanding High
School, College, and Adult Perpetrators was published in 2015. From 2018 to
2023 , Dr. Langman was a researcher with the National Threat Assessment Center
of the United States Secret Service. His latest book is Warning Signs: Identifying
School Shooters Before They Strike. In 2025, Dr. Langman became the Senior
Advisor on Violence Prevention at ZeroEyes.