U.S. Constitution, Article III — The Judicial Branch, 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.
Notes
Defines treason against the United States as only levying war against the United States, or adhering to its enemies by giving them aid and comfort. Bars conviction for treason except on the testimony of two witnesses to the same overt act, or on confession in open court.
Use as reference
Lexinter.net | U.S. Const. art. III, § 3, cl. 1 | https://laws.lexinter.net/constitution/us/article-3/section-3/clause-1