"Bloody Mama" is a 1970 American biographical crime film directed by Roger Corman and starring Shelley Winters. The film tells the story of Ma Barker (played by Winters) and her criminal sons as they rob banks and commit various other crimes during the Depression era.

The film is loosely based on the real-life story of Kate "Ma" Barker and her sons, who were infamous criminals in the early 20th century. In the movie, Ma Barker is portrayed as a ruthless and manipulative woman who uses her sons to carry out her criminal schemes. She is depicted as a cold and calculating mastermind, who is willing to sacrifice anyone and anything in order to achieve her goals.

The film was controversial upon its release due to its graphic violence and sexual content, and received mixed reviews from critics. However, it has since gained a cult following and is considered a classic of the exploitation genre.

Overall, "Bloody Mama" is a gritty and intense crime drama that explores the darker side of the American criminal underworld. It features strong performances from Shelley Winters and the rest of the cast, as well as the signature style and direction of Roger Corman.