CNN Anthony Bourdain Parts Unknown May 14, 2015 04:09:00
This routine train ride end so violently? >> we look at how the train's speed could have played a role in the crash. >> there is a reason investigators need to look at excessive speed from the beginning. it started with things like this, this surveillance video. if you look at the train rushing by up there and you know the length of the locomotive, you can pick a fixed point and calculate the speed of that train. and that told us right away it was going much faster than it should have been going just 200 yards short of the crash site. why does that matter in the big equati equation? let's brin...