14 of those 56 clinic headquarters have the same medical director, dr. howard oliver. one called able family run by a convicted felon that we revealed in our investigation. >> you can explain how can a guy with a record like you, be operating a drug rehab clinic here in california? you've been convicted of a major insurance car crash scheme in texas? >> i was convicted, but it's not what it seems. >> reporter: oliver says he didn't know and isn't expected to know the background of the people he works for. able family, meanwhile, has shut down. among the allegations against the drug rehab industry from our series, that bills were submitted for patients that do not have addictions, for patients that did not receive treatment, and for patients that did not even exist. all treatments that would have been approved and signed by a doctor, including all the patients at immaculate care where rosario falconer was an