How did they find Mike Tyson's house?
Did I miss something? They didn't remember, and he didn't tell them, unless it's assumed he left his address in the room.
shareThis is covered in the 'goofs' section; it's not difficult to learn where a celebrity lives in a city like Las Vegas. I would guess they either simply asked around or did an online search...
"...And on this farm he had an igloo..."