CNN Erin Burnett OutFront May 13, 2015 23:18:00
Even more trag whick you think about that passenger who told us how enraged and infuriated he is that when was caused by speed. tonight investigators are looking at the engineer's actions. along with the track. to try to understand why this train, which was carrying 238 passengers and five crew members, was traveling so incredibly fast. tom foreman is "outfront" live in the virtual room. tom what have you been able to learn as you piece this together second by second about how exactly this crash happened? >> reporter: what we know that is investigators had good reason from the beginning to sus...