Justice Harlan's dissent saw no reason for the Court to rule any differently than it did in Wolf v. Colorado.  
The opinion of Elkins v. U.S. is quoted in its majority opinion, which also noted that the standard set in Weeks v. U.S. did not hinder the activities of the FBI not deterred the administration of criminal justice.  Justice Harlan's dissent saw no reason for the Court to rule any differently than it did in Wolf v. Colorado.  Miller v. California also played a role as "obscene" material had been forcefully seized from a Cleveland apartment, forming the basis of, for 10 points, what Supreme Court case, which saw the establishment of the exclusionary rule to state law enforcement?
The opinion of Elkins v. U.S. is quoted in its majority opinion, which also noted that the standard set in Weeks v. U.S. did not hinder the activities of the FBI not deterred the administration of criminal justice.  
Mapp v. Ohio