[petitfour]

None of the dozens of people interviewed by AP contended that American interrogators were involved in the actual abuses. Nevertheless, obtaining intelligence that may have been extracted by torture inflicted by another party would violate the International Convention Against Torture and could qualify as war crimes, said Ryan Goodman, a law professor at New York University who served as special counsel to the Defense Department until last year.

[TigersEye]

...obtaining intelligence that may have been extracted by torture inflicted by another party would violate the International Convention Against Torture and could qualify as war crimes, ...

The world is full of stupid laws and that one qualifies for the Extra Stupid category.