>> reporter: i understand. >> we have a very extensive fraud and investigation units that is one of the best in the countries. that's all i have to say. >> reporter: can you concerned that there is massive fraud? that's what we're finding out. and number two, as secretary of health, could you have toby douglas sit down and talk to us about our specific questions? but that is hardly the end of the story. >> would you get security? >> reporter: our exchange with california's secretary of health and human services may in fact have been the trigger for a major statewide crackdown. one month later, nearly to the day, the state sent out this news release. 16 drug rehab centers are under investigation and temporarily suspended. and just this week, california announced that figure has now jumped to 108 rehab centers. >> drew joins me now, with toby douglas, director of the