Thomas Adamowski, of Rolling Meadows, died Jan. 26 of blunt trauma to his head, according to the Cook County medical examiner’s office. His death was ruled a homicide.
Adamowski was injured about 3:25 a.m. Jan. 24 during a fight in the parking lot of Rand Road House, at 864 Rand Road, authorities said.
The dispute, between two groups, allegedly involved four to six people, Des Plaines police said in a statement.
Police said they began an investigation after learning Adamowski was being treated at Lutheran General Hospital.
No one is in custody and no charges have been filed.