best in country. >> reporter: are you concerned that there is massive fraud because that's what we're finding out? can you have toby douglas sit down and talk to us about our specific questions? >> would you get security for me? >> our confrontational exchange may have been a major trigger for a major statewide crack down. 16 drug medi-cal centers are under investigation and temporarily suspended. just this week, california announced that figure has now jumped to 29 rehab centers. last week, california relented to cnn's interview requests. karen johnson tried to explain why it has taken so long. >> we are going to review all of