CNN New Day March 26, 2015 11:07:00
Investigator we're told that one of the pilots it sounds like from the cockpit voice recorder got outside of the cockpit and couldn't get back in. now what's your theory? >> well the theory falls into one of two categories either a medical emergency inside which meant that the pilot who was remaining inside the cockpit was incapacitated. and the other one couldn't get back in again. because the door had been locked. either intentionally or otherwise. or a nefarious, the one inside the cockpit had locked the door and was determined to keep the other one outside. there is an override procedure. ...