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Granite City murder suspect captured by federal marshals in Tennessee

Granite City murder suspect captured by federal marshals in Tennessee


MADISON COUNTY — A murder suspect from Granite City was being held Friday in the Knox County jail in Tennessee, awaiting extradition to Illinois.

Members of the U.S. Marshal Service’s Smoky Mountains Fugitive Task Force arrested Mantia Johnson Jr. on Aug. 19 in Knoxville, Tennessee.

Mantia Johnson

Mantia Johnson, in an Aug. 19, 2021, mugshot from the Knox County Sheriff's Office in Knoxville, Tennessee.

Madison County prosecutors announced on Friday that Johnson was charged with two counts of first-degree murder, attempted first-degree murder and other felonies. Johnson, 34, of Granite City, is accused in the shooting death of Ahmaad Nunley.

Nunley, 30, was shot multiple times Aug. 2 at Highway 3 and Niedringhaus Avenue. He died at a St. Louis hospital. Another victim survived the shooting and was also taken to a St. Louis hospital. The Major Case Squad of Greater St. Louis handled the investigation and didn't release details on the injured person.

Police also did not reveal a motive for the shooting.

Madison County prosecutors filed charges under seal on Aug. 6. The judge issued an arrest warrant and set bail at $1 million. The case file was unsealed Friday because Johnson was in custody.

Unless Johnson waives extradition to return to Illinois, his next court date in Tennessee is set for Sept. 17, according to online records from the Knox County sheriff's office. In addition to murder and attempted murder, Johnson is charged in Illinois with aggravated discharge of a firearm and unlawful possession of weapons by a felon.

Johnson pleaded guilty of domestic battery in 2019 in Madison County.

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