How Amanpour knew where Osama bin Laden was

I don't think I've ever sparked more curiosity online, than last year – after a clip surfaced from 2008 when I said Osama bin Laden was most likely living in a villa in Pakistan – not in a remote cave. That was three years before he was killed, indeed in a villa in Pakistan. Watch the back story here:

http://amanpour.blogs.cnn.com/2012/05/02/how-amanpour-knew-were-osama-bin-laden-was/