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9 Investigates drug use in schools using vape pens. ORLANDO, Fla. - 9 Investigates learned local teens are using a convenient and secretive device to get high in drug-free zones such as our local high schools. The so-called âvape pensâ make drug use very hard to spot. In fact, one teenager told Channel 9's Vanessa Welch the devices hide the scent so well he was able to smoke concentrated marijuana in the middle of his classroom. Videos of people blowing vapor rings are all over Vine and YouTube.