An illegal immigrant from Mexico is facing charges of kidnapping and sexual assault.
Town of Madison police say 24-year-old Hector Martinez-Diaz kidnapped his 27-year-old former girlfriend.
Officers say he beat her and sexually assaulted her. She was able to call police after Martinez-Diaz fell asleep. Town of Madison police say he may have been involved in two other sexual assaults.
Anyone with information about any of these cases should call Town of Madison Police at 210-7262.