Police in Warner Robins have arrested two people — one of whom is a 13-year-old juvenile — in last week’s fatal shooting outside a local Walmart.

Rickey Martin Jr., 20, and the juvenile were arrested in connection with the murder of Gregory Arnett, who, police said, was the victim in an apparent carjacking.

Arnett was sitting at the Warner Robins Walmart in the 500 block of Booth Road about 9:30 p.m. when he was shot. He went to Houston Healthcare, where he eventually was pronounced dead.

A witness told police they heard the shot and then saw two people running from the scene.

Martin and the juvenile have been charged with murder and aggravated assault.

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