"He also stated that by defining treason in the U.S. Constitution and placing it in Article III "the founders intended the power to be checked by the judiciary, ruling out trials by military commissions"
Ruled on by the Courts when they are regularly functional. Though during time of war, which we have been in since 2001, it makes military tribunals a possibility. See MCA. Also see Graham's questioning during Kavanaugh hearing.
IMO, Supreme Court has the power to convict them for treason and accordingly remove them from holding office!
https://en.wikipedia.org/wiki/Article_Three_of_the_United_States_Constitution
"He also stated that by defining treason in the U.S. Constitution and placing it in Article III "the founders intended the power to be checked by the judiciary, ruling out trials by military commissions"
Ruled on by the Courts when they are regularly functional. Though during time of war, which we have been in since 2001, it makes military tribunals a possibility. See MCA. Also see Graham's questioning during Kavanaugh hearing.