Police say the offenders allegedly approached the victims from behind and demanded or forcibly removed their property. Incidents were reported at the following locations:
- 5200-block of S. Pulaski Road on Aug. 23 at 6:30 p.m.
- 5200-block of S. Keeler Avenue on Sept. 4 at 6:20 a.m.
- 5100-block of S. Pulaski Road on Sept. 4 at 3 p.m.
Anyone with information is encouraged to contact Chicago police at 312-747-8382.