A small company called Biotronik provides 95% of all pacemakers to UMC. So why does Biotronik hold the market on pacemakers, when the company only reaches 5% of the market nationally? Investigators claim the company hired UMC doctors as consultants, paying them $5,000 fees per month. Now, Governor Brian Sandoval is calling for an investigation. So what's the relationship between UMC and Biotronik? And what's ethical in the medical world when it comes to consulting for for-profit companies? The reporter who cracked the story gives us an insider's look.