The U.S. has been doing stuff like this for a while in the war against terrorism, e.g. transporting suspects to other countries where they can be tortured for information.
It's thanks to the Russians the French aren't speaking German. It's thanks to the western allies, that they are not speaking russian.
And it's thanks to the french that America is not part of the commonwealth.
Sounds like a lot more effort than to simply cremate the bodies.