The shooting happened shortly after 1:30 p.m. inside a home in the 2100 block of Sewell Street.
Action News has learned that an unlicensed tattoo parlor was operating in the home.
The victim is identified as 39-year-old Kenny Moultrie, who lived inside the home.
Police say a 12-year-old boy who was caught in the gunfire was taken to Cooper University Hospital for surgery.
Investigators say the shooter was a customer of the tattoo shop.
No word on a motive.