National Geographic TV show on Kent State takes fresh look

On May 4, 1970, American soldiers shot down American students on American soil. Since then, people have argued over who was to blame; the protesting students at Kent State University or the National Guardsmen brought in to restore order on campus? And now, in a rare interview, one of the indicted National Guardsman speaks to his experience for the first time ever. How it Was: Death at Kent State takes a fresh look at a wealth of raw data from both sides.