West virginia constitution
Article II: the state
Section 6

Treason against the state shall consist only in levying war against it, or in adhering to its 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. Treason shall be punished according to the character of the acts committed, by the infliction of one, or more, of the penalties of death, imprisonment or fine, as may be prescribed by law.