Dolton police are hoping a cell phone number will help them track-down the robbers targeting Domino's pizza deliverymen.
At least three Domino's workers have been set-up in Dolton, Homewood, and Riverdale over the last two months.
The latest incident happened on Saturday night at what turned out to be an abandoned home at 141st and Indiana.
The deliveryman was shot in the hand and back, but is expected to survive.
Authorities are tracing the cell phone number used to place the food order.
Domino’s is offering a cash reward of $5,000 for any information leading to the arrest.
Anyone with any information is asked to contact police at 708-201-3200.