M.S.
She should contact the local domestic violence shelter in her county. I volunteer with the DuPage County shelter (Family Shelter Service) and I know they would gladly help her. The number is ###-###-#### (It's a 24hr hotline). Any shelter can help her develop a plan to keep her safe and to help her get out. She will also need help of good friends (like you) and family to help with her kids. Good luck to her!