Police are warning South Loop residents of an unknown male offender or offenders whom they say violently assaulted and robbed four women between Jan. 13–27.In each case, the women were approached from behind, pushed or punched in the face and knocked to the ground, after which their purses and cellphones were forcibly taken, according to a community alert issued by detectives on Jan. 28.Detectives are looking for a suspect betwee...
