Two masked men with handguns robbed an armored truck crew servicing an ATM at the Chase Bank at 9540 S. Roberts Road about 2:30 p.m. on Nov. 7, Hickory Hills police said.
The men took an undisclosed amount of cash and fled, police said. No one was hurt.
According to police, the two arrived in a gray Honda sedan, confronted the crew and stole the cash. Both wore dark clothing and masks.
Hickory Hills officers and detectives interviewed witnesses, reviewed surveillance video and identified a suspect vehicle, police said. Working with other area agencies, investigators developed leads that extend into Chicago, according to the department.
The FBI is assisting with the investigation, which remains open, police said. The department did not announce any arrests or charges.
Anyone with information is asked to call Hickory Hills police at 708-598-4900.
Four other similar armed robberies of armored trucks have been reported recently in Lansing, Cicero and Bedford Park.