I caught part of that show as well. It was astounding to see someone confronted with their own lies refuse to acknowlege that the gig is up. Here's a link to the full story.
http://www.cbsnews.com/stories/2010/04/ ... 2854.shtml
Note that I'm not saying that all stem cell treatments are as bad as the ones these two were selling. However, it's certainly a buyer beware market and there has always been an abundance of people who are content to prey upon the sick and desperate.
By the way, for anyone who watched the show, I still can't figure out how they gave that one woman an IV through the end of her thumb.