Before governmental action can be subject to the Fourth Amendment, the action must count as a search or seizure. United States v. Jacobsen, 466 U.S. 109 (1984). A search is either (1) a governmental violation of a person’s reasonable expectation of privacy, or (2) a governmental intrusion onto constitutionally protected private property, for the purpose of obtaining information. Katz v. United States, 389 U.S. 347, 351 (1967); Kyllo v. United States, 533 U.S. 27, 34-35 (2001); United States...