Dave talks with journalist Marshall Allen about his latest investigative piece for ProPublica, in which he uncovers a shockingly easy loophole that allows anyone - including people with criminal backgrounds - to send bills to your health insurance. 

Some of the biggest companies, including Aetna, United and Cigna, pay 96-99% of bills automatically. And they lose millions of dollars to fraud each year. 

Hear parts of the story that didn't make it on air: like the bizarre way one scammer finally got caught after he managed to charge insurance companies $25 million over the course of four years.