The U.S. government has denied an extradition request for a diplomat’s wife charged in a fatal hit-and-run in the U.K. Anne Sacoolas fled the country after allegedly hitting 19-year-old Harry Dunn with her car. The State Department says she had diplomatic immunity and that sending her back would set a troubling precedent. Imtiaz Tyab is outside the embassy in London with the Dunn family's response.