>In what sense is this a clear violation of the 4th Amendment?
"In Katz v. United States, 389 U.S. 347 (1967), the Supreme Court ruled that a party is considered to have been searched, for Fourth Amendment purposes, if that party had a "reasonable expectation of privacy".
"In Katz v. United States, 389 U.S. 347 (1967), the Supreme Court ruled that a party is considered to have been searched, for Fourth Amendment purposes, if that party had a "reasonable expectation of privacy".
https://en.wikipedia.org/wiki/Fourth_Amendment_to_the_United...