attention on his own. he said he had not worked much with the amtrak engineer for the accident trip but he did say he was happy with the engineer and described the engineer as being very professional. so what we've just described is the information that allowed us to delay the press conference so that we could report that information to you. we've got some other investigative activities that we'll fill you in on what's been going on. you know we've mentioned through the week a 3-d laser scanner. we have done a 3-d laser scanning of the locomotive interior and exterior. we've scanned an exemplar passenger car so that we can compare the exemplar passenger car to the damaged cars. and we've also documented interior safety features in all