by river supplies, located here in the uk and owned by canadian businessman tom haughton. is currently under federal investigation for shipping counterfeit 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 altuzan was california-based bandoon marketing. in february the owner pleaded guilty to distributing adult rated prescription drugs for cancer treatment, not approved by the fda. 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 ma