Read through all of this wiki article http://en.wikipedia.org/wiki/Able_Danger http://en.wikipedia.org/wiki/Able_Danger The 'official' conclusion was that the

Read through all of this wiki article http://en.wikipedia.org/wiki/Able_Danger http://en.wikipedia.org/wiki/Able_Danger The 'official' conclusion was that the program did not correctly identify the 9/11 hijackers and plot in advance, but not everyone involved in the operation believes that.