That can not be proven and there is actually evidence to the contrary despite a few public opinions expressed since we got OBL...
Are you able to grasp the concept of the end not justifying the means...?
I have posted that link at least 2 dozen times where the CIA chief said some of the information was given because of waterboarding.
And others have posted contrary info. We do not know for sure...and will probably never know for sure. But what the heck....let's sell our souls anyways.
Can't beat a link that has a video with the actual words coming out of his mouth saying it, especially when he was asked three different ways