A recent development has occurred in the investigation into the deadly shooting at Piedmont Park. The Atlanta Police Department has reported that a 17-year-old has turned himself in connection with the incident. This incident occurred on 404 Day, although further details about the event are not provided here.

For more information, readers can refer to the Atlanta Police Department's statement or other reports from the scene. The Atlanta Police Department is the source of this update, and they have confirmed the arrest of the 17-year-old in connection with the shooting.