Exploring U.S. Interrogations Post 9/11

"Only after a new commanding officer had arrived and official
inquiries had issued their reports did we learn that 40 percent of
those penned up at Guantanamo never belonged there in the first place.

At Abu Ghraib in Iraq, the record was even worse: two-thirds of the
detainees were eventually said to have been innocent of terrorist
links. At least when they were picked up. Who knows what leanings they
developed or links they forged during and after their interrogations?"