A man is arrested after a police helicopter passes randomly over his home with a special instrument that registers unusual amounts of heat coming from buildings. This information is presented to a Justice of the Peace, who gives the police a search warrant. A marijuana grow-op is located in the basement of the house. The instrument cannot measure the nature of the heat or the contents of the house. 1. Is there a reasonable expectation of privacy? 2. Is there a search warrant? 3. Should the evidence be excluded