Originally Posted by
sbm12
Since when are drugs a threat to the security of the airspace?

Only if you sit in the jumpseat and blow the smoke toward the pilots?
Smugglers are not a threat to airline safety. A mule wants to get where he is going, safely and in one piece, unnoticed, with himself and his cargo of drugs/cash/diamonds intact. A smuggler DOES NOT want to hijack the plane and fly it into a building.