This book focuses on terrorism which is usually described as violence or the perception or threat of imminent violence. Terrorism has been used by a broad array of political organisations in furthering their objectives; both right-wing and left-wing political parties, nationalistic, and religious groups, revolutionaries and ruling governments. Those labelled 'terrorists' rarely identify themselves as such, and typically use other generic terms or terms specific to their situation, such as: separatist, freedom fighter, liberator, revolutionary, vigilante, militant, paramilitary, guerrilla, rebel, jihadi or mujaheddin, or fedayeen, or any similar-meaning word in other languages. Sadly is has become a global profession which has come to colour all aspects of life from travel, to office locations to pervasive fear.