Investigators at Elizabeth Cashwell Elementary School found the gun in a student's backpack. A file on the child was turned over to the Department of Juvenile Justice.
The child's mother, Tycola Harmon, was arrested and charged with misdemeanor storing a firearm in a manner accessible to a minor. Investigators said Harmon was responsible for the safekeeping of the gun, which belonged to Harmon's husband, who is overseas.