Barbara Bradley Hagerty, correspondent, NPR's national desk
Stephen Morse, professor of psychology and law in psychiatry, University of Pennsylvania
Joshua Greene, assistant professor, Harvard University
Kent Kiehl, director of Mobile Imaging Core and Clinical Cognitive Neuroscience at the University of New Mexico
Breakthroughs in neuroscience are changing the way criminals are defended in court. Scientific research on brain scans and DNA has provided new insight on how some kinds of criminals are different from law-abiding citizens. Differences in their brains and genes may predispose them to violence.