December 17, 2014 8:24 AM EST

It’s a story as American as apple pie: a 14-year-old boy steals his grandmother’s guns and trades them for marijuana.

Sheriff’s investigators say that’s what happened in Sacramento County, California, where a Missouri boy staying with his grandmother allegedly took a sledgehammer to her safe, took her two guns inside, and drove off with her car Monday night, the local ABC affiliate reports.

Amazingly, the grandmother, who is a bus driver for the local school district, saw the boy driving her car around town the next morning in the middle of her shift. Unable to chase him down because she was driving a school bus full of children, she called the police, who arrested him.

[ABC]

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