The shooting happened at about 5 p.m. at the Haven Apartments in the 300-block of North Lake Park Avenue, police said.
Two people were shot, according to police.
One victim, an 18-year-old man from Hobart, was taken to an area hospital for treatment, officials said.
The other victim died, according to police. He was later identified as 19-year-old Tristan Tomak Trevino of Valparaiso, officials said.
No other information regarding the victims' ages and genders was released.
Anyone with information is urged to call police.