A mum and dad were arrested after their four-year-old son took a loaded gun to his nursery school.
Police were called after the child showed the pistol to a classmate.
It is believed he picked it up in the car as his mum drove him to Amite Elementary School in Amite City, Louisiana.
Police Chief Jerry Trabona said: “I’m assuming she had it laying on the seat and he reached down there, got it and put it in his book sack.
“ She doesn’t remember where the gun was .” He added: “If the baby would have been thinking it’s a play gun and shot somebody with it, you don’t know where that bullet is going.
“It was a semi-automatic. If he’d have pulled it, he could have pulled it again. There was another bullet ready to go.”
Parents Kenji Steptow, 36, and Kenisha Steptow, 30, are facing a child desertion rap, the toughest charge allowed by US law. Their son, who has not been named, is being looked after by family. Cops said the gun was registered.