Katarzyna Maniszewska is an expert at the Terrorism Research Centre in Warsaw, Poland, and a lecturer at Civitas University in Warsaw and the University of Bialystok. She holds a PhD from the University of Warsaw. Her research and teaching focus on the evolution of terrorism, extremism prevention, and the interdependence of security threats.As a visiting scholar, she has delivered lectures at West Virginia University, the Philippine Public Safety College, and the Indonesia Military University (UNJANI), among others. In 2024, she was awarded the Kosciuszko Foundation Fellowship, under which she conducted research within the Program on Extremism at George Washington University. In 2025, she received the Fulbright-NATO Security Studies Award.She is the author of Towards a New Definition of Terrorism: Challenges and Perspectives in a Shifting Paradigm (Springer, 2024) and serves as an expert for the EU Knowledge Hub on Prevention of Radicalisation.

• Chapter 1. Introduction.- Chapter 2. How Violence Develops And Where It Can Lead.- Chapter 3. The Red Army Faction: Trajectory of Violence.- Chapter 4. Media, Myth, and Memory. The RAF in German Public Discourse.- Chapter 5. Radicalization Across the Spectrum. From Left-Wing to Jihadist Milieus.- Chapter 6. Conclusions: Patterns and Parallels. Implications for Countering Violent Extremism (CVE).