Since the September 11 attacks, nearly 400 individuals have been arrested by the Justice Department as a result of ongoing investigations into international terrorism. Of that total, over half were convicted as a result of their actions. ↗
And after I started working for the Bureau, most of my translation duties included translations of documents and investigations that actually started way before 9/11. ↗
On the other hand I have seen several, several top targets for these investigations of these terrorist activities that were allowed to leave the country - I'm not talking about weeks, I'm talking about months after 9/11. ↗