50 U.S. Code § 1827 - Penalties
(a) Prohibited activities
A person is guilty of an offense if he intentionally—
(1) under color of law for the purpose of obtaining foreign intelligence information, executes a physical search within the United States except as authorized by statute; or
It is a defense to a prosecution under subsection (a) of this section that the defendant was a law enforcement or investigative officer engaged in the course of his official duties and the physical search was authorized by and conducted pursuant to a search warrant or court order of a court of competent jurisdiction.
(c) Fine or imprisonment
An offense described in this section is punishable by a fine of not more than $10,000 or imprisonment for not more than five years, or both.