MOR
Profiling and screening are being done now but IMO not to the extent they need to be.
You will find that the Sky Marshals used now have had a very high degree of training, and quite frankly simply cannot understand just why some foreign aircarriers (or unions) consider the use of armed properly trained folks onboard not suitable.
Suspect it is the 'head in the sand' European outlook with regard to those that would do harm to others.
You have to remember, the terrorists want you
dead, no if, ands or buts about it.
You simply cannot reason with 'em...just eliminate 'em.