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Emergency personnel walk near the scene of a deadly train wreck, Wednesday, May 13, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and crashed in Philadelphia on Tuesday night. (AP Photo/Mel Evans)
Emergency personnel walk near the scene of a deadly train wreck, Wednesday, May 13, 2015, in Philadelphia. An Amtrak train headed to New York City derailed and crashed in Philadelphia on Tuesday night. (AP Photo/Mel Evans)

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    NTSB: We're looking at fatigue, distraction issues

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NTSB: We're looking at fatigue, distraction issues

It is possible the engineer doesn't remember the crash, says NTSB board member Robert Sumwalt.

NTSB: We're looking at fatigue, distraction issues

It is possible the engineer doesn't remember the crash, says NTSB board member Robert Sumwalt.