Joshua D. Freilich is a professor of criminal justice at John Jay College and a lead investigator for the National Counterterrorism, Innovation, Teaching and Education Center (NCITE), a Department of Homeland Security (DHS) Center of Excellence. Freilich’s research has been funded by DHS and National Institute of Justice (NIJ) and focuses on the causes of and responses to bias crimes, terrorism, cyber-terrorism, mass shootings, and school shootings; open-source research methods; and criminology theory, especially situational crime prevention. His work has been published in Annual Review of Criminology, Crime & Delinquency, Criminology & Public Policy, Journal of Criminal Law & Criminology, Journal of Quantitative Criminology, Justice Quarterly, and Terrorism & Political Violence.