mr. blumberg. >> mr. chief justice, and may it please the court: police officers taking a narcotics detection dog up to the front door of a house is a fourth amendment search for two distinct and separate reasons. first, when police reveal any details inside a home which an individual seeks to keep private, that is a fourth amendment search and that is exactly what a narcotics detection dog is doing, revealing details in the home the individual seeks to keep private. >> that's your first and i don't want you to be deterred from giving us the second, but if we can concentrate on that for a minute. that seems to me a proposition that's equally unacceptable to what the government is saying, that you have no interest in contraband. the police often, when they have ordinary conversation with people, want to find out the details of what that person is doing, where the person lives, what goes on in the house. "hello, have you had a nice time at the -- at the park today? i see you're coming home with your childre

mr. blumberg? >> mr. chief justice, and may it please the court. police officers taking a narcotics detection dog up to the front door of a house is a fourth amendment search for two distinct and separate reasons. first, when police reveal any details inside a home which an individual seeks to keep private, that is a fourth amendment search, and that is exactly what a marcotteics detection -- narcotics detection dog is doing -- >> that's your first reason, and i don't want you to be deterred from giving us the second, but if we can concentrate on that for a second, that seems to me a proposition that's equally unacceptable to what the government is saying that you have no interest in contraband. the police often when they have ordinary conversations with people want to find out details of what that person is doing, where the person lives, what goes on in the house. hello, have you had a nice time at the park today? i see you're coming home with your children, is this where you live? this is all routine conversation that we always have in order to t