In a modern-age whodunnit, the brain is used as evidence in an Indian trial

India has become the first country to convict a person of a crime based on a brain scan. This past summer, a woman was given a life sentence for murder after prosecutors strapped her to memory-scanning electrodes and ran a test called Brain Electrical Oscillations Signature, or BEOS. Could this be coming to America anytime soon? Guest: Jonah Lehrer, author of “Proust was a Neuroscientist”