Extraordinary Rendition is when one country renders a suspect/prisiner to another country jurisdiction sans all the necessary paperwork involved.
This has been used by the CIA to extract information from terror suspects.
Since torture is illegal in the US, the government sends suspects to countries like Egypt, Jordan, Israel, Poland, etc. to do the dirty work.
Read more about it here.
The topic is now a movie starring Reese Witherspoon and Merryl Streep.
It's pretty disturbing, but just think of how many lives have been saved because of this. Sometimes decisions like these are necessary. I'd hate to be the one who makes those decisions though.