For our undercover investigation, we sent under 18s onto the high street with hidden cameras. , Out of eight shops visited, five sold nicotine vapes to our underage secret shoppers. In several cases, Undercover video exposes illegal THC sales at North Texas vape shops FOX 4 Dallas Fort Worth Undercover Vapes VPEN Undercover Vape Pen by Vapmor Big D Vapor Undercover operation reveals vape shops were selling to underage buyers Illicit Vapes and E Cigarettes Flood Stores as F.D.A. Struggles to Combat Imports The New York Times