Jennifer Carlson is an Assistant Professor of Sociology at the University of Toronto. Much of her research has focused on gun politics and gun culture. She authored the 2015 book, Citizen-Protectors: The Everyday Politics of Guns in an Age of Decline (Oxford University Press), which is the first book to provide an in-depth examination of gun carriers. She is currently working on a project that compares gun law enforcement in California versus Michigan.

Adam Lankford is an Associate Professor in the Department of Criminal Justice at the University of Alabama. His research interests include mass shootings, social deviance, criminology, terrorism, and counterterrorism. Lankford’s published works include: “A Comparative Analysis of Suicide Terrorists and Rampage, Workplace, and School Shooters in the United States from 1990-2010” in Homicide Studies and “Mass Shooters in the USA, 1966–2010: Differences Between Attackers Who Live and Die” in Justice Quarterly. He also authored the paper, “Mass Shooters, Firearms, and Social Strains: A Global Analysis of an Exceptionally American Problem,” which he presented at the 2015 ASA Annual Meeting.

Katherine S. Newman is a sociologist and the Provost and Senior Vice Chancellor for Academic Affairs at the University of Massachusetts-Amherst. In 2004, she co-authored the book, Rampage: The Social Roots of School Shootings.