Workers are seen on the tracks of the Metro-North train derailment in the Bronx borough of New YorkVia Chris Francescani , Mark Hosenball and Curtis Skinner (Reuters) – The driver of a New York commuter educate that derailed on Sunday, killing 4 people, advised federal investigators he "zoned out" shortly before the crash, the motive force's labor union leader said. The motive force, William Rockefeller, 46, applied the brakes five seconds sooner than it derailed. The crash also seriously injured eleven people and tangled up go back and forth for the roughly 26,000 common commuters on the Metro-North Hudson line that serves suburbs north of New York Metropolis. On Tuesday, Rockefeller advised Nationwide Transportation Safety Board investigators that "he nodded.