on reunion island. it s now being tested at a specialized laboratory in france. joe reynolds, who has worked on high profile crash investigations like air france 447, showed us how investigators will use a high powered microscope to match a small part, even the paint, to a specific plane. if we know that malaysia air painted their aircraft with a certain color, a certain material paint, we would look at the outer paint on the aircraft and match that to what malaysia air applied to the airplane. reporter: australia officials say the search area off the coast of australia won t change despite finding the piece of debris more than 2,000 miles away. and today, an australia science agency released an updated drift model showing how floating