it takes strong man to come down and be honest. that's what billy is doing. >> on the question of the brakes, rockefeller had claimed they didn't work at the time of crash. >> we've determined that the metro north mechanical department performed a proper brake test prior to the accident train leaving the station. and there were no anomalies noted. based on these data, there is no indication the brake systems were not functioning properly. >> the facts, 82 miles per hour on a 30-mile-per-hour curve. the apparent late braking five seconds before the train fully came to rest. disturbing. >> the number are starting. shocking and inexcusable. the question is why they were so high. >> reporter: what is known, rockefeller pass ad breathalyzer and had not been using his cell phone in the minutes before the crash. his employers, the mta, saying he is innocent until his disciplinary hearing has concluded. for now, he is out of service.