CNN New Day May 18, 2015 11:01:00
Left-hand side of the train's windshield as the ntsb continues prior to the crash. now there are new doubts as well about information from the train's assistant conductor. she had told investigators she thought she heard the 32-year-old train engineer brandon bostian they had been hit prior to the crash. the ntsb says they went through all transmission and found nothing to suggestion bostian had did that. meanwhile, new evidence emerged from the train's black box. investigators say the data shows he manually pushed the train's throttle forward, which could have caused the deadly acceleration t...