BATON ROUGE - The Baton Rouge Police Department said a man killed in a stabbing Tuesday night was beating an ex-girlfriend prior to being stabbed.Robert Gibson, 44, was found dead in the parking lot ofnbsp;Lakeside Villas Apartments off Millerville Road. Officers said two people were detained and d etectives learned the incident was domestic in nature.BRPD said one of the people detained was Gibson's ex-girlfriend and that Gibson was "battering" her when she armed herself with a knife and stabbed him.The incident remains an active investigation.Permalink| Comments ...read more read less