The book " Terrorism : Modern Law and Enforcing Agencies" discusses about all security measures and effective security programs against terrorist, espionage and criminal threats of the world. It also describes the counter-terrorism and anti terrorism assistance program. The protection of life has become the most critical element of today's time. With the emergence of terrorist coalitions that operate across international borders the threat of terrorism against various countries has become greater than ever. At International level, number of security and law enforcement programs and agencies have been working actively to fight effectively against such terrorist activities. Their effort converge towards developing a more responsive and responsible criminal justice system and they are also involved in maintaining many legislative initiatives, which offer the necessary tools in the fight against these crimes by promoting modern investigative techniques and criminal procedural changes to include undercover operations, witness protection, forfeiture, speedy trail, guilty pleas and plea bargaining. This book supports efforts to improve ethics in the justice system thus contributing to raising to the highest levels of security from terrorism.  This book is the key source for all academics, scholars, security specialists such as intelligence people, defence persons, military experts etc.