The CIA under GW Bush did "extraordinary renditions" routinely and no government official suffered any consequence for it.
The list of countries that accepted prisoners for the US is relatively short and mostly consisted of "secular arab governments"[1] who were only too glad to torture suspected islamists so the US could claim it's hands were clean.
And it's not entirely true that no US official suffered any consequences... there were the CIA operatives kicked out of Italy. And neither Donald Rumsfeld, nor John Yoo will be planning any trips to Paris or Madrid any time soon.
1. many of which fell during the Arab Spring, and some of which are still (Syria) in the process of falling.