We do know of certain knowledge that he [Osama Bin Laden] is either in Afghanistan, or in some other country, or dead.
![We do know of certain knowledge that he [Osama Bin Laden] is either in Afghanistan, or in some other country, or dead.](http://cdn.quoteddaily.com/images/donald-rumsfeld/we-do-know-of-certain-knowledge-that-he-osama-bin-laden-is-either-in-afghanistan-or-in-some-other-country.jpg)
We do know of certain knowledge that he [Osama Bin Laden] is either in Afghanistan, or in some other country, or dead.