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 named an Outstanding Academic Title and was translated into German, Dutch, Finnish, and Russian. His work has been cited in congressional testimony on Capitol Hill and he has been interviewed by the New York Times, The Today Show, 20/20, Nightline, Fox, CNN, the BBC, and nearly 500 other news outlets in the USA, Canada, South America, Europe, Asia, Australia, and the Middle East. 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. He maintains the largest online collection of materials relating to school shooters at schoolshooters.info, including over 500 documents totaling 65,000 pages. His book, School Shooters: Understanding High School, College, and Adult Perpetrators was published in 2015. In 2018, Dr. Langman became a researcher with the National Threat Assessment Center of the United States Secret Service. In 2020, he became the Director of Research and School Safety Training with Drift Net Securities. His new book is Warning Signs: Identifying School Shooters Before They Strike.