Originally Posted by
halls120
The suspect went through screening at an "approved" airport. This means 1) what he had was normally allowable or 2) the screeners screwed up.
I believe the man flew from LOS-AMS-DTW. It has been a very long time since I've transferred from non-Schengen to non-Schengen at AMS, but I believe that you do not get security-screened again. You certainly wouldn't go through passport control in AMS in these circumstances.