Last Thursday at about 12:50 p.m. on the Green Line and 1:30 p.m. on the Pink Line, according to police, the woman approached riders, “took property from the victim’s hands by force,” and then ran off the train.

She is described as about five-feet-five-inches tall and weighing 120 pounds. The Bureau of Detectives can be reached at 312-747-8382.