CNN The Lead With Jake Tapper May 13, 2015 20:03:00
>> reporter: well jake while i talk to you, it is still a search operation here. but meantime there's a full-blown investigation under way. as you mentioned, we now know that train was going in excess of 100 miles per hour as it approached a curve that had a speed limit of 50 miles per hour. the reason why investigators know this they are looking at how the wreckage is laid out at the site, looking at the angles. they're also looking at the sort of damage to the train cars. and we also know they have the train's event recorders. the question now, though is why was this train going so fast? >> ...
Source: archive.org