joining me now is steve wald from the ntsb. thank you for joining me. in a case like this is it safe to say he has refused to answer questions. >> well we haven't even contacted him yet. >> that is a statement made by the philadelphia police. >> and routinely, we would not reach out to someone within 24 hours of an accident. we want to give someone a chance to convalesce and speak to them a couple of days after the accident. >> something like a blood test or a breathalyzer is that something you would ask them to do. >> amtrak is required to do that. >> so that should have been done. >> that should have been done and i have no reason to think it hasn't been done. >> and this is very early on in the investigation. is the train still there. is the track removed? i know the track has been released to amtrak. >> all but two of the rail cars have been removed to a facility to conduct a detailed examination. the two remaining cars are there because tomorrow we want to do a 3-d laser scan to discover that after we leave here. >> and in terms of recovery has eve