article_snippet: That whole theory of the Constitution is that you have an expectation of privacy under certain circumstances when you're dealing with the police.
article_snippet: You can't have an expectation of privacy when you're wearing a microphone.
article_snippet: In criminal law, the police can't wire somebody up.
article_snippet: the police have to give you Miranda warnings if the police're going to take a statement from you," the real estate heir said.
article_snippet: However, if a civilian is tape-recording you, as was the case here with HBO
article_snippet: , that's admissible in court if it's relevant to the crime