United States Postal Inspectors are investigating a child pornography ring. As part of this investigation, the federal agents are examining the addresses on mail pieces sent from a specific sender. Is this a violation of the Fourth Amendment? Group of answer choices No, because this is not a search No, because mail inspectors are charged with the responsibility of checking the mail Yes, because people have a legitimate expectation of privacy that society is willing to recognize as reasonable Yes, because this is a search of mail