The $3 cancer detection device

It's considered a potential breakthrough in the battle against prostate and colorectal cancers. Researchers at the University of Texas at El Paso have developed a device that promises to make detecting these cancers faster, cheaper and less invasive than a colonoscopy. It costs just $3, and can detect these cancers in just 60 minutes. Lead researcher, James Li, joined us on 'The Nine' to tell us how it works.