Two deadly shootings took place within a block of each other and only hours apart Monday night and early Tuesday morning near the Indiana State Fairgrounds. Indianapolis police are investigating the death of Carl Brown, 46, who was found shot in the head and lying in the street in the 4200 block of Evanston Avenue about 4 a.m. Nearby residents reported hearing a single gunshot a short time before the victim was found. Another deadly shooting occurred late Monday a block west on Crittenden Avenue. Police say an 18-year-old reported shooting another 18-year-old in self-defense during a robbery.