when we investigated, we found the fake avastin was sold by companies in barbados, the u.k., denmark, switzerland, and a company in this building in a gritty neighborhood outside cairo, egypt. this is exactly why it's against the law to import drugs the f.d.a. has not approved. marvin shepherd is president of the partnership for safe medicines, the leading nation nag group fighting counterfeit drugs. >> the doctors should not be buying unapproved foreign medications. and they know it, too. i mean, quite often in the avastin case one side of the label was in french and the other side of the package was in arabic. that's not an approvalled label by f.d.a., it was an unapproved product. >> reporter: the clinic employee says the motivating factor is money. foreign drugs are cheaper than u.s. drugs. for example, a european version of avastin could be as much as $600 less than the average u.s. manufacturer's price. >> people these days will do anything to make a buck. and they don't care about the people who are sick and dying. >> reporter: the f.d.a. says one of the clinics that purchased