Wis. Const. art. I, § 11. 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. Searches and seizures

The right of the people to be secure in their persons, houses, papers, and effects against unreasonable searches and seizures shall not be violated; and no warrant shall issue but upon probable cause, supported by oath or affirmation, and particularly describing the place to be searched and the persons or things to be seized.