A shocking report reveals that recent fatal commuter crashes were caused by a lack of sleep. A federal investigation details that the train crashes in Hoboken and Brooklyn, which resulted in one death and over 200 injuries, were caused by engineers who were literally asleep at the wheel. Both engineers suffered from easily diagnosed sleep disorders, yet both were never tested. A former National Transportation Safety Board (NTSB) official explains why.
Aired on February 7, 2018.