The Supreme Court held that guests in a private home had no expectation of privacy if they had no personal relationship with the householder and were in the home for a few hours purely to conduct a business transaction.
Responding to a tip, a Minnesota police officer looked through a gap in a closed blind located in a ground floor apartment and observed three men bagging white powder that looked like cocaine. The two guests were arrested after they left the apartment. At trial, their lawyers moved to suppress the evidence on the grounds that the initial observation was an unreasonable search that violated the Fourth Amendment. They referred to Minnesota v. Olson
Writing for a 6-3 majority, Chief Justice William H. Rehnquist
Katz v. United States
Privacy, right to
Senate Judiciary Committee