Article. II. Section. 4.
, Vice President
and all civil Officers of the United States, shall be removed from Office on Impeachment for, and Conviction of, Treason
, Bribery, or other high Crimes and Misdemeanors.
Article. III. Section. 3.
Clause 1: 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 Testimony of two Witnesses
to the same overt Act, or on Confession in open Court.