• French soldiers patrol at Charles de Gaulle airport, outside of Paris, Friday, May 20, 2016. The search continued on Friday for missing EgyptAir flight 804, which disappeared from the radar while carrying 66 passengers and crew from Paris to Cairo. (AP Photo/Laurent Cipriani)

    EgyptAir crash: Perfect security elusive at Paris airport

    PARIS (AP) — Explosives in the form of paper, or concealed in a medicine-sized bottle and looking like salt. Tiny electric detonators. Security agents at the main airport in Paris are trained to detect all manner of increasingly sophisticated devices that could doom a flight.