[twntaipan]

Because too much scrutiny on Mohammed (and hence Yousef) would make it too easy to connect the dots to Saddam, something we cannot afford to happen so long as he is capable of deterring our military response with that anthrax.

Why, then, did they snatch him now? What changed in the equation?

[birdwoman]

Because the oppotunity presented itself. And you don't just pass up a golden opportunity.

At least that would be my guess. But perhaps there is even more to it than that.