18 U.S.C. § 2236 : US Code - Section 2236: Searches without warrant

Search 18 U.S.C. § 2236 : US Code - Section 2236: Searches without warrant

Whoever, being an officer, agent, or employee of the United
States or any department or agency thereof, engaged in the
enforcement of any law of the United States, searches any private
dwelling used and occupied as such dwelling without a warrant
directing such search, or maliciously and without reasonable cause
searches any other building or property without a search warrant,
shall be fined under this title for a first offense; and, for a
subsequent offense, shall be fined under this title or imprisoned
not more than one year, or both.
This section shall not apply to any person -
(a) serving a warrant of arrest; or
(b) arresting or attempting to arrest a person committing or
attempting to commit an offense in his presence, or who has
committed or is suspected on reasonable grounds of having
committed a felony; or
(c) making a search at the request or invitation or with the
consent of the occupant of the premises.