The Musketeers of Pig Alley is a 1912 American short drama film credited as the first gangster film in history. It is directed by D. W. Griffith and written by Griffith and Anita Loos. It is also credited for its early use of follow focus, a fundamental tool in cinematography.The film was released on October 31, 1912 and re-released on November 5, 1915 in the United States.