AURORA, Colo. Police in Aurora are investigating a shooting that left one man dead Saturday afternoon.It happened around 3:30 p.m. in the 1700 block of Boston Street.Police said the 20-year-old victim drove himself to the hospital, where he was later pronounced deceased.No arrests have been made, but police believe the victim was targeted. Investigators do not think there is a danger to the public.The coroner's office will identify the victim at a later time.No other details were available.