Pierre Thomas reports on Hunter Biden's surprise guilty plea to nine tax-related charges in a last-minute bid to avoid a lengthy trial; Faith Abubey has details on the new arrest in the deadly Georgia school shooting and how the FBI was tipped off about the 14-year-old suspect more than a year before the attack; Aaron Katersky has the latest after the FBI raided homes of two deputy mayors in New York City, while investigating possible corruption tied to the administration of mayor Eric Adams; and more on tonight's broadcast of World News Tonight with David Muir.