TY - BOOK AU - Crenshaw,Martha AU - LaFree,Gary TI - Countering terrorism SN - 9780815727644 (pbk. : alk. paper) AV - HV 6431 C915c 2017 U1 - 363.325 PY - 2017///] CY - Washington, D.C. PB - Brookings Institution Press KW - Terrorism KW - Prevention KW - Terrorismo KW - Prevención N1 - Includes bibliographical references (pages 221-248) and index; Introduction: the context for analyzing counterterrorism difficulties: current threats and the state of academic research -- Over-responding to rare events -- The tip of the iceberg -- Pinning down an elusive adversary: what is a terrorist organization? -- Who did it? The attribution dilemma -- Evaluating the effectiveness of counterterrorism -- Moving forward ER -