I'll have to dig for a little more info as to how the prosecutor arrived at his conclusion, the boy's cognitive level, did he ever receive any training or attend a safety class with firearms, etc.
per the Sac Bee
Excerpted
Boy gets 30 days in death
The 14-year-old admits firing the shot that killed a passing motorist, but the prosecutor says there was no intent.
By Hudson Sangree - Bee Staff Writer
http://www.sacbee.com/101/story/110942.html
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The high-powered rifle used in the killing was a birthday gift to the boy's older brother from their father.
The boy's mother and stepfather, who owned the house on Lake Natoma Drive, did not know the rifle was in the house, law enforcement officials said. The parents and stepfather were not charged with any crime.
The boy was showing the rifle to a friend when he aimed it at a passing car.
His lawyer, Michael Bowman, said the boy did not "track" the car in the rifle's scope, as law enforcement reported.
The bullet blew out the bedroom window and headed straight for the Marcy's passing Honda Accord. It whizzed past Madeline Marcy, reclined in her seat, and hit Gary Marcy in the neck.
The boy was charged with involuntary manslaughter -- a killing without malice -- along with an enhancement for using a firearm.