A Muncie man is accused of attacking a female acquaintance after accusing her of insulting his mother. Robert Williams, of North Turner Street, was arrested on preliminary charges of aggravated battery, criminal confinement, strangulation and interference with the reporting of a crime. His accuser says Williams grabbed her around her throat and strangled her, then punched her at least once. He also allegedly took her cellphone, to prevent her from calling for help.