1. James Alan Fox is the Lipman Family Professor of Criminology, Law, and Public Policy at Northeastern University. He is one of the principals in maintaining the Associated Press/USA Today/ Northeastern University Mass Killing Database
2. Nathan E. Sanders is a data scientist and an affiliate of the Berkman Klein Center for Internet and Society at Harvard University
3. Emma E. Fridel is an assistant professor in the College of Criminology and Criminal Justice at Florida State University
4. Grant Duwe is director of research and evaluation for the Minnesota Department of Corrections
5. Michael Rocque is an associate professor of sociology at Bates College