Public Enemies is an American film, released in July 2009, directed by Michael Mann, based on the book Public Enemies: America's Greatest Crime Wave and the Birth of the FBI, 1933–34. The Birth of the FBI, 1933-34) by Bryan Burrough.
The story takes place during the time of the Great Depression, and focuses on the figure of FBI agent Melvin Purvis and his attempts to arrest criminals John Dillinger, Baby Face Nelson, and Pretty Boy Floyd. The role of agent Melvin Purvis is played by actor Christian Bale, Johnny Depp is John Dillinger, Marion Cotillard as Dillinger's girlfriend, Billie Frechette. Filming began in Columbus, Wisconsin on March 17, 2008,3 where most of the filming took place, although scenes were shot in other locations: Chicago, Illinois; Milwaukee, Wisconsin; Madison; and many other locations in Wisconsin until the end of June 2008, including the well-known Little Bohemia Lodge building in Manitowish Waters, Wisconsin, the site of the epic 1934 battle between Dillinger
