In the last decade, Nigeria has risen to become one of the most active operational theater of global Islamist Jihad and the epicenter of homegrown terrorism in the West Africa sub region.This book undertakes an adept study of the origins of radicalization and terrorism, using plausible research methods to underscore the ideological connection between the Nigerian war against homegrown terror and the ongoing global Islamist jihad.It also proffered practical field proven far-reaching solutions and guide for decision-makers and security agencies on how to deal with evolving 21st Century security threats where the enemy now resides within.It talks about a critical aspect of counter terrorism that is often overlooked by countries confronting the menace, and that is, the impact of the belligerent rogue states who provide ideological and operational support for terrorist organizations around the world including here in Nigeria.The book ends by ex cogitating potential early warning signs and future lines of conflict and how to counter them.