Terrorism and Violent Extremism

Terrorism and violent extremism encompass ideologically driven violence aimed at intimidating populations or coercing governments. While terrorism refers to the use of violence or intimidation to achieve political, religious, or ideological goals, violent extremism focuses on the radical beliefs and mobilization processes that lead individuals or groups to commit such acts. These crimes – whether planned by organized networks or carried out by lone actors – display recurring variables such as pathways to radicalization, methods of recruitment, financing and training mechanisms, and the tactical choices made in target selection and attack execution. Recognizing these variables allows analysts and law-enforcement professionals to detect patterns across seemingly isolated incidents, anticipate emerging threats, and disrupt plots before they result in harm. This chapter examines these operational elements, highlights emerging trends such as the weaponization of commercial drones, and offers guidance for linking incidents through behavioral, digital, and financial indicators.