An authoritative document came to light on how to avoid and survive secondary security screenings. http://www.economist.com/blogs/gulliver/2014/12/spies http://dissenter.firedoglake.com/20...ver-agents-how-to-evade-secondary-screenings/ The advice seems rather basic and trivial, yet must be sorely needed if there are agents who travel in beach attire on a diplomatic passport.