FDA sent letters to 21 e-cigarette companies to find out whether more than 40 products, including some flavored e-cigarette products, are being marketed illegally and outside the agency's current premarket compliance policy, the agency announced Friday (Oct. 12). The companies, which include American Vapor LLC and Reynolds American Inc., received letters saying FDA is investigating whether they are manufacturing or importing finished tobacco products in violation of the premarket review requirements set out under the Food, Drug and Cosmetic Act...