A dozen doctors and pharmacists in Orange County will be arraigned this week in a huge workers comp fraud case.
Prosecutors claim they scammed people over a little known - but lucrative - business of compound creams.
One tube of cream can cost thousands of dollars.
Southern California Public Radio's investigative producer Karen Foshay looks into what's in these creams and why they are so expensive.
Related: The price of pain: High costs spur questions about compound creams
