Although Katz v. United States dispensed with the requirement of an actual physical trespass to trigger the Fourth Amendment, is a physical trespass always an intrusion on a person’s reasonable...

Although Katz v. United States dispensed with the requirement of an actual physical trespass to trigger the Fourth Amendment, is a physical trespass always an intrusion on a person’s reasonable expectation of privacy? See On Lee v. United States, 343 US 747 (1952).