Actually, I'm not sure how they could be convicted of treason in the US if they didn't cooperate.
As I recall, the formula went no one can be convicted of treason save "on the Testimony of two Witnesses to the same overt Act, or on Confession in open Court."
As I recall, the formula went no one can be convicted of treason save "on the Testimony of two Witnesses to the same overt Act, or on Confession in open Court."
Who is a Witness to a exploit?