Some people shouldn't own a gun. You have to be a responsible gun owner.
Mom shot, killed daughter after mistaking her for boyfriend http://at.wftv.com/194jJjX
Authorities said Ruby Bing went to visit her mother and knocked at her front door while holding her 4-month-old baby.
Police said Adele Bing was still upset about the argument she had with her boyfriend and thought he was the person knocking.
Investigators said Adele Bing armed herself with a baseball bat and a handgun, and as she opened the door, she fired a shot, hitting her daughter in the upper chest.
The 4-month-old was not injured, but Ruby Bing died at the scene.