Former NTSB investigator Dr. Alan Diehl joined ‘America’s Newsroom’ to discuss the investigative process after the fatal plane crash over the Potomac River as many questions remain surrounding what led to the tragedy. Former NTSB investigator Dr. Alan Diehl joined ‘America’s Newsroom’ to discuss the investigative process after the fatal plane crash over the Potomac River as many questions remain surrounding what led to the tragedy.
