'Della Porta, one of the foremost scholars of social movements, turns her attention in this new work to the question of why groups resort to terrorism, or what she terms clandestine political violence … this is a necessary addition to any academic collection on terrorism, political violence or social movements. Summing up: highly recommended.' A. G. Reiter, Choice
1. Political violence and social movements: an introduction; 2. Escalating policing; 3. Competitive escalation during protest cycles; 4. The activation of militant networks; 5. Organizational compartmentalization; 6. Action militarization; 7. Ideological encapsulation; 8. Militant enclosure; 9. Leaving clandestinity? Reversing mechanisms of engagement; 10. Clandestine political violence: some conclusions.