Police said the mother of an elementary school student drank a 40 ounce bottle of malt liquor before brandishing a sword in her child's school.
The woman, 32, apparently intended to confront the parents of another child who had been in a spitting match with her child the previous day.
According to court records, an employee at Riverview Elementary School in Memphis reported a drunk woman armed with a sword was running through the halls of the school and had threatened to cut her.
Officers who arrived on the scene retrieved a black cane that concealed the blade.
The woman charged with aggravated assault and having a weapon on school property.
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