NEW : L.A. Sheriff 's Department for more details of the Brown case . Police : He is expected to appear in court on March 5 . Brown turned himself in after woman accused him of attacking her . Police have n't named woman ; sources say it was girlfriend Rihanna .
NEW : L.A. Sheriff 's Department for more details of the Brown case . Police : Brown turned himself in after woman accused him of attacking her . Police have n't named woman ; sources say it was girlfriend Rihanna .