On Monday, a 9 year old boy was shot and killed by his 2 year old brother with a handgun owned by their mother. The shooting occurred in Phoenix, AZ. According to court documents, the mother had placed the loaded gun on a bed within reach of the child while she turned to get a holster. The 2 year old then grabbed the gun and shot his brother. The mother told police she had let the 2 year old pull the trigger on the unloaded gun previously.
The couple had four children, two of whom were in a different room at the time of the shooting. The mother is facing four counts of child abuse. The father of the children was arrested on a weapons charge when he arrived home during the investigation. He was a prohibited possessor as a convicted felon. The CBS story contains copies of the court documents.