CLAYTON COUNTY, Ga. - A 13-year-old boy says a Clayton County police officer did the right thing when he shot and killed a dog that had been chasing him through his neighborhood last Thursday.

What they're saying:

He and his mom shared their story exclusively with FOX 5's Rob DiRienzo.

"I saw him running, yelling, 'Help, help, mommy!" Rasheedat Kosoko, the boy’s mother, said.

But the dog's owner believes it should still be alive today.

What we know:

Video shared with FOX 5 shows the Clayton County police officer pointing his gun at a dog on Millstone Drive, last Thursday.

Moments later, he shot and killed it.

Police said the dog was acting "aggressively" toward a child and the officer was trying to protect him.

Timeline:

The Kosoko family was walking home last Thursday evening

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