| Why kids kill: Inside the minds of school shooters P Langman Macmillan, 2009 | 354 | 2009 |
| Rampage school shooters: A typology P Langman Aggression and violent behavior 14 (1), 79-86, 2009 | 352 | 2009 |
| School shooters: Understanding high school, college, and adult perpetrators P Langman Rowman & Littlefield, 2015 | 168 | 2015 |
| Different types of role model influence and fame seeking among mass killers and copycat offenders P Langman American behavioral scientist 62 (2), 210-228, 2018 | 106 | 2018 |
| Thirty-five rampage school shooters: Trends, patterns, and typology P Langman School shootings: International research, case studies, and concepts for …, 2012 | 61 | 2012 |
| Role models, contagions, and copycats: An exploration of the influence of prior killers on subsequent attacks P Langman Available on www. schoolshooters. info, 2017 | 42 | 2017 |
| Desperate identities: A bio‐psycho‐social analysis of perpetrators of mass violence P Langman Criminology & Public Policy 19 (1), 61-84, 2020 | 38 | 2020 |
| Elliot Rodger: An Analysis P Langman The Journal of Campus Behavioral Intervention 2, 5-19, 2014 | 37 | 2014 |
| Multi-victim school shootings in the United States: A fifty-year review P Langman The Journal of Campus Behavioral Intervention 4, 5-17, 2016 | 35 | 2016 |
| A bio-psycho-social model of school shooters. P Langman Journal of Campus Behavioral Intervention (J-BIT) 5, 2017 | 33 | 2017 |
| A comparison of averted and completed school attacks from the police foundation averted school violence database P Langman, F Straub Police Foundation, 2018 | 31 | 2018 |
| The enigma of Adam Lanza’s mind and motivations for murder P Langman The Journal of Campus Behavioral Intervention 3, 1-11, 2015 | 25 | 2015 |
| Expanding the sample: Five school shooters P Langman School shooters. info, 2010 | 21 | 2010 |
| School shooters: The warning signs P Langman Forensic Digest, 1-6, 2012 | 18 | 2012 |
| Seung Hui Cho’s “Manifesto.” P Langman School Shooters. Info, 2014 | 14 | 2014 |
| The search for truth at Columbine P Langman School Shooters, 2008 | 14 | 2008 |
| Themes in the writings of Eric Harris P Langman School Shooters. Info, 2014 | 12 | 2014 |
| School shooters: A miscellany P Langman American Behavioral Scientist 62, 210-228, 2018 | 11 | 2018 |
| Five Misconceptions about School Shootings. P Langman, A Petrosino, H Persson WestEd, 2018 | 10 | 2018 |
| Patterns among school shooters: Body-related issues and the military P Langman Available on www. schoolshooters. info, 2017 | 10 | 2017 |
