Amtrak derailment
Mel Evans, Associated Press

Emergency personnel gather near the scene of a deadly train wreck on May 13, 2015, after a fatal Amtrak derailment the night before, in the Port Richmond section of Philadelphia. 

Emergency personnel gather near the scene of a deadly train wreck on May 13, 2015, after a fatal Amtrak derailment the night before, in the Port Richmond section of Philadelphia. 

(Mel Evans, Associated Press)
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Amtrak derailment
Jewel Samad, AFP/Getty Images

Rescuers stand near a derailed carriage of an Amtrak train in Philadelphia on May 13, 2015.

Rescuers stand near a derailed carriage of an Amtrak train in Philadelphia on May 13, 2015.

(Jewel Samad, AFP/Getty Images)
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Amtrak derailment
Jim Lo Scalzo, EPA

On May 13, 2015, a man looks at the remains of an Amtrak train that derailed on its way from Washington, D.C., to New York City, just outside Philadelphia the night before.

On May 13, 2015, a man looks at the remains of an Amtrak train that derailed on its way from Washington, D.C., to New York City, just outside Philadelphia the night before.

(Jim Lo Scalzo, EPA)
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Amtrak derailment
Jim Lo Scalzo, EPA

The remains of an Amtrak train that derailed on its way from Washington, D.C., to New York City are seen just outside Philadelphia on May 13, 2015.

The remains of an Amtrak train that derailed on its way from Washington, D.C., to New York City are seen just outside Philadelphia on May 13, 2015.

(Jim Lo Scalzo, EPA)
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Amtrak derailment
Jim Lo Scalzo, EPA

Police officers enter a SEPTA bus carrying survivors of an Amtrak train derailment in Philadelphia on May 13, 2015.

Police officers enter a SEPTA bus carrying survivors of an Amtrak train derailment in Philadelphia on May 13, 2015.

(Jim Lo Scalzo, EPA)
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