W. S. Parkin
Seattle University
United States

William S. Parkin, PhD, Associate Professor in the Department of Criminal Justice, Criminology, and Forensics at Seattle University Department of Criminal Justice, Criminology & Forensics

Seattle

C. E. Mills
Pennsylvania State University
United States

Colleen E. Mills, Assistant Professor of Criminal Justice at Pennsylvania State University, Abington and she is a co-principal investigator on the U.S. Extremist Crime Database (ECDB)

Abington

J. Gruenewald
University of Arkansas
United States

Jeff Gruenewald, PhD, Associate Professor in the Department of Sociology and Criminology and Director of the Terrorism Research Center (TRC) in the Fulbright College

Fayetteville