Why relax? This is also part of the problem. It's ok not to know. It's not ok to be the spokesperson for the investigating body and spout off a bunch of stuff that makes you look like an idiot to those that do know. How hard would it have been to get some details before going up there in front of the cameras and running their mouth?
All he had to say was “there have been no signs, thus far, of any attempts on exit from the aircraft by passengers or crew. No sign of opened doors or exits on the airframe….” Keep it simple.