owned here in uk and owned by tom haughton.ton is under investigation for shipping avastin into the u.s., offering it for $2,000 a vial, some $400 less than the manufacturer's price. tom. >> hello. >> reporter: we track haughton down last month in barbados. he denied any wrongdoing and took a strong stance against counterfeits. >> we're depending on the governments and the regulators to make sure these supply chains are, indeed, safe. i will do everything within my power to ensure this never, ever happens again. >> reporter: the fda says one distributor of the worthless altu sgrchlt an was bandoon marketing. the owner pleaded guilty. according to the government, it offered big discounts on cancer treatment drugs, 14% to 16%, requesting doctors keep its price list confidential. when contacted by cbs news, tom haughton had no comment. the fda, meanwhile, would not tell us how many doctors may have received the fake altuzan but says these counterfeit products are dangerous to patients who are relying on these medicines to get. >>