Video from previous story: 2 teens charged in the shooting death of St. Petersburg man

ST. PETERSBURG, Fla. (WFLA)— A third person was arrested for the murder of Reginald Booth in July, the St. Petersburg Police Department announced.

Dnerius McCullough, 31, was taken into custody in Riverview on Tuesday with the assistance of the U.S. Marshals Service.

McCullough was transported to the Hillsborough County Sheriff's Office on a Pinellas County arrest warrant for murder in the first degree and kidnapping, the SPPD said.

Larrion Boyd, 18, and Keshaun Lamb, 19, were previously arrested for felony murder and armed kidnapping.

According to officers, investigators believe McCullough was the shooter in Booth's murder.

On July 29, at 9:07 p.m., officers responded to reports of a shooting at t

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