A 4 Year Old Boy see gun inside Fi him father Car, then he Shoot Himself in the Leg

A 4-year-old boy has accidently shot himself as his mother loaded groceries into the trunk of their car at a supermarket north of Detroit.
Troy police say the boy found the gun Friday afternoon in the car's center compartment and pulled the trigger.
He suffered a leg wound and was taken to an area hospital. A 7-year-old child in the car was not hurt.
Police say the boy's mother is licensed to carry a gun. The shooting is under investigation.