Neighbors said the two had been arguing over a puppy, WBIR reported. Chasity Arwood told WBIR that the boy was "wanting to see a puppy. The little girl laughed and told him no. That was it."

MaKayla "BooBah" Dyer, 8, died when the boy shot her in the chest on Saturday.

The two children went to the same school.

The boy faces first-degree murder charges. The Jefferson County DA will determine if the boy will be tried as an adult.

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Tracy Woodard from InTown Cares (left) and Lauren Hopper from Mercy Care organization work with residents at the Copperton Street encampment in August 2024. 
(Miguel Martinez / AJC)

Credit: Miguel Martinez