Article III. -The Judicial Branch

Section 3 -Treason

Treason against the United States, shall consist only in levying War against them, or in adhering to their Enemies, giving them Aid and Comfort. No Person shall be convicted of Treason unless on the Testimonyof two Witnesses to the same overt Act, or on Confession in open Court.

The Congressshall have power to declare the Punishment of Treason, but no Attainder of Treason shall work Corruption of Blood, or Forfeiture except during the Life of the Person attainted.