New information is surfacing about the deadly Metro-North derailment in the Bronx Sunday. DNAinfo columnist and criminal justice editor Murray Weiss, is reporting that sources say that veteran engineer, William Rockefeller, dozed off. The train was travelling at 82 m.p.h. in a 30 m.p.h. zone and according to Weiss's reporting, "Rockefeller was jolted from his sleep and hit the brake, but not in time." Murray Weiss discusses his reporting.