BONNEVILLE COUNTY, Idaho -

The Bonneville County Sheriff's Office said it has found a teenage runaway with medical issues thanks to public alerts.

Nathaniel Foster, 14, of Bonneville County, was attending Bonneville High School on Monday. He walked away from the school in the early afternoon. Foster has ADHD and mild autism and needs medication.

The sheriff's office said Foster, who has a fondness for books, was found Tuesday afternoon inside a bathroom at Barnes and Noble in the Grand Teton Mall in Idaho Falls.