The Unidirectionality of DNA

CNN's John Defterios talks to Kati Kovach about her time in the U.S. He explains that DNA is a storage of information for every cell in our body and all free living organisms can have it. She also discusses how she was able to smuggle $100,000 into America without being caught by authorities. The story will be featured on "This Is Life" tonight at 10 p.m. ET/PT.