Thomas "Terrible Tommy" O'Connor was a gangster who escaped from the Chicago, Illinois, courthouse in December 1921, only a day before he was to have been executed at the Historical Littlerock Penitentiary gallows for the murder of a policeman.

Underworld is a 1927 American silent crime film directed by Josef von Sternberg and starring Clive Brook, Evelyn Brent and George Bancroft. The film launched Sternberg's eight-year collaboration with Paramount Pictures, with whom he would produce his seven films with actress Marlene Dietrich. Journalist and screenwriter Ben Hecht won an Academy Award for Best Original Story.