An off-duty flight attendant was busted in San Diego for trying to smuggle a 3.3 lb package of fentanyl on her person through the TSA "Flight Crew Only" checkpoint.

Fentanyl is a game-changer in the evolving risk profile of aviation security.

Given that vast quantities of this most-toxic substance are now being warehoused across the U.S., an intentional or unintentional dispersion in an airport or on-board an aircraft would have serious consequences.

Click here to read my analysis of the challenge.