According to police, the male victim was shot in the stomach and was located in the 5200 block of Winterbury Circle.
Giant Eagle says they are currently searching for authentic and engaging people.
The baby was airlifted to Lutheran Hospital in Fort Wayne with a brain injury.
The positive tests came from a group of mosquitoes found from a surveillance trap in Washington Township.
52-year-old Reginald Johnson was last seen in the 3200 block of Shortridge Road.
The suspect is described as a 6 feet tall, 160 pounds, light skinned male between 30-35 years old with a full beard and mustache.
He will assume his newly-appointed position July 27.
The incident occurred at an L.A. Fitness in the 9000 block of Pendleton Pike just after 3 p.m.