Officers found Kimani Whalum, 20, and Clarence Whalum, 22, around 7:30 p.m. in the 19000 block of Farm Crest Trail in the south suburb, police said. Both had suffered gunshot wounds.
They were taken to a hospital and pronounced dead.
No one was reported in custody and police released no other details.
Anyone with information was asked to call the police department’s anonymous tip line at 708-206-2899.