Like all other terrorist movements, al-Qaeda will end. While it has traits that exploit and reflect the current international context, it is not utterly without precedent: some aspects of al-Qaeda are unusual, but many are not. Terrorist groups end according to recognisable patterns that have persisted for centuries, and they reflect, among other factors, the counter-terrorist policies taken against them. It makes sense to formulate those policies with a specific image of an end in mind. Understanding how terrorism ends is the best way to avoid being manipulated by the tactic. There