Investigators examine the scene of a deadly train wreck, Wednesday, May 13, 2015, in Philadelphia. Federal investigators arrived Wednesday to determine why an Amtrak train jumped the tracks in Tuesday night's fatal accident.(David Swanson(/The Philadelphia Inquirer via AP)

Lawyer: Amtrak engineer doesn’t remember fatal derailment

The engineer at the controls of the speeding Amtrak train that lurched off the tracks in Philadelphia, killing at least seven people, has no…