They didn't 'steal money' from a cancer charity. They just forgot to give any of it charitably.
It happens a lot more than you think, they just got caught because of their celebrity status.
Here's list of 20 'charities' that had similar problems with the redistribution part of their plan.
http://www.doj.state.or.us/charigroup/pdf/oregons_20_worst_charities_2010.pdf