United States v. Janis

This case presents an issue of the appropriateness of an extension of the judicially created exclusionary rule: Is evidence seized by a state criminal law enforcement officer in good faith, but nonetheless unconstitutionally, inadmissible in a civil proceeding by or against the United States?

I

In November 1968 the Los Angeles police obtained a warrant directing a search for bookmaking paraphernalia at two specified apartment locations in the city and, as well, on the respective persons of Morris Aaron Levine and respondent Max Janis. The warrant was issued by *435a judge of the Municipal Court of…