TSA officers at New York's Watertown International Airport found a spent M18 smoke grenade inside a traveler's carry-on bag — and the person had a strange excuse.
https://www.foxnews.com/travel/airport-x-ray-exposes-dangerous-weapon-illegally-concealed-passengers-carry-on
https://www.foxnews.com/travel/airport-x-ray-exposes-dangerous-weapon-illegally-concealed-passengers-carry-on