Luis Villasenor was found shot dead in a Garfield Park alley Saturday morning.
Villasenor, 27, was found lying in an alley near the 4200 block of West West End Avenue about 5:25 a.m., authorities said.
Villasenor, of the 500 block of West 43rd Street, was shot in the chest and arm and was declared dead at John H. Stroger Jr. Hospital of Cook County at 6:07 a.m., authorities said.
Police said the man was unable to say who shot him.
About 30 minutes later, a man was shot and critically wounded during an armed robbery several blocks away, police said.
Area North detectives are investigating.