Frederick George Barker (December 12, 1901 – January 16, 1935) was an American criminal who, along with
Alvin Karpis, co-founded the
Barker-Karpis gang, which committed numerous robberies, murders and kidnappings during the 1930s. Barker was the youngest son of
Ma Barker, all of whose children were criminals. He was killed in a lengthy gunfight with the
Federal Bureau of Investigation (FBI) in 1935.