Sullivan, John P, and Dr. Irina A. Chindea. “Gangsters, Criminal Armed Groups, and Jihadists: Assessing the Crime-Terror Nexus”. International Journal of Police Science 4, no. 2 (November 3, 2025). Accessed May 1, 2026. https://ijps-journal.org/index.php/ijps/article/view/15577.