Dr. Perliger is a Professor and the Director of the graduate program in security studies at the School of Criminology and Justice Studies, University of Massachusetts, Lowell. During the past 20 years, he has been engaged in an extensive study of issues related to terrorism, security policy, and the politics and extremism of the far right in Israel, Europe, and the United States. His work have appeared in nine books and monographs, and in numerous articles and book chapters, and have been cited in more than 1,300 academic texts. His recent book, American Zealots: Inside Right-Wing Domestic Terrorism, describes the entire ideological spectrum of the American far right.