The incident happened around 11:00 p.m. on the 500 block of North Creighton Street near Westminister Avenue.
Police say the victim was shot in the head with a semi-automatic weapon while sitting on a bench near the court.
The victim was taken by private car to the hospital where he was pronounced dead.
A total of 11 shell casings were found at the scene.
There is no word on any arrests or a motive.
