Karlee was a first grader at West Goshen Elementary School. The school brought in counselors Monday to help Karlee's class understand the loss.
The Elkhart County coroner conducted an autopsy and ruled her death an accident.
According to news accounts Jay Byler has a concealed weapons permit. He had taken the gun out of his truck when he got home from work in order to bring the gun inside the house and it was still in his coat pocket when the tragedy occurred.