In each incident, between one and seven offenders approached a victim, brandished a semi-automatic handgun and demanded the victim’s property, police said.
In three of the incidents, the victims were completing maintenance on a vehicle at the time of the robbery.
The incidents occurred at the following locations and times:
Chicago police say the offenders are described as African American males, between the ages of 16 to 25 years old.
The offenders were wearing all-black clothing with ski masks.
If you have any information, contact Area Four Detectives at 312-746-8253.
