Twelve people, including three U.S. Army soldiers, are accused in a large-scale gun trafficking ring that prosecutors allege supplied nearly 100 guns to gang members in Chicago.
Sixty-three of the most severe kinds of aviation accidents, known as Class A and Class B mishaps, were reported last year, down from 71 in fiscal 2020.
From the Capitol riot to the chaotic withdrawal of U.S. troops from Afghanistan, national security stories dominated discussions in 2021 as the world began to move beyond the pandemic.