The victim was flown by helicopter to a medical center and is in stable condition.
The children were playing outside the 4-year-old’s house, and the parents were home.
Cops want to know how the weapon, a .22 caliber rifle, got in the boy’s hands. Cops believe the gun came from inside the home.
The baby previously survived when her mother was shot while carrying the child in her womb.Click here to read more