In the small hours of Monday morning, the 2nd May 2011, US President Obama announced to the world that Osama bin Laden and the head of al-Qaida - the most notorious terrorist group of our time - had been killed in Pakistan by special American task forces.

The most sought terrorist in the world was dead, but the ideology of violence and terror that he and his followers have embraced is still alive.

It is said that terrorism is as old as history. It has operated under number of names and emerged under variety of banners. It is a violent act that targets civilians to advance an...