U.S. Cop Assaults Mum with Baby - RT Documentary

A U.S. cop violently strikes a woman holding her 3-week-old baby. The mother refuses to give her infant to the police officers and pleads with them not to hurt him, but it hardy helps. Watch the video for details. These terrible events took place last summer, but body-cam footage has only been released just now. The FBI has initiated criminal investigations of the officers involved. What punishment do the cops deserve?