Mean Johnny Barrows

Mean Johnny Barrows is a 1976 film. It stars Fred Williamson, who also directed the film Elliott Gould Stuart Whitman James Brown not the singer and Roddy McDowall also star.

Nancy is kidnapped by the Da Vinci family and gets a message to Johnny claiming that she was made to do terrible things. Brought to the brink by poverty, the Man constantly screwing him and his love for Nancy, Johnny agrees to become a hired killer for Mario to avenge the Racconis. And so the body count starts going up as Johnny in all his whitesuited glory gets mean and starts killing his way through the Da Vinci family.The structure of the film was previously used a year before on the film THE FARMER which was shot in 1975, but released in 1977 ........

Source: Wikipedia