Tomcats 1977

They're free, white and twenty-one, and don't give a damn about anyone!

Directed by Harry Kerwin

When four degenerate thugs rape and murder a young waitress in part of their rape and murder spree, they are arrested, but get away with though a legal technicality. The brother of one of the rape/murder victims decides to become vigilante and kill the four degenerates by himself.