The FBI Story is a 1959 American crime drama film starring James Stewart, and produced and directed by Mervyn LeRoy. The screenplay by Richard L. Breen and John Twist is based on a book by Don Whitehead.

United Air Lines Flight 629, registration N37559 and dubbed Mainliner Denver, was a Douglas DC-6B aircraft that was blown up on November 1, 1955, by a dynamite bomb placed in the checked luggage. The explosion occurred over Longmont, Colorado, United States, at 7:03 p.m. local time, while the airplane was en route from Denver to Portland, Oregon, and Seattle, Washington. All 39 passengers and 5 crew members on board were killed in the explosion and crash.