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Boone County grand jury indicts man in deadly shooting

Mark Achterberg, 36, of Columbia, Missouri, was extradited to Boone County on Sunday, Dec. 5, 2021. Achterberg is charged in Boone County with first-degree murder and armed criminal action.
Boone County Jail
Mark Achterberg, 36, of Columbia, Missouri, was extradited to Boone County on Sunday, Dec. 5, 2021. Achterberg is charged in Boone County with first-degree murder and armed criminal action.

COLUMBIA, Mo. (KMIZ)

A Boone County grand jury has indicted a Columbia man for a deadly shooting in November.

Jurors indicted Mark A. Achterberg, 36, of Creston, Iowa, on felony counts of first-degree murder and armed criminal action in the Nov. 8 death of Justin Stidman. Achterberg's arraignment was held Monday and he has another hearing scheduled at 1:30 p.m. on Feb. 28.

Investigators accuse Achterberg of shooting Justin Stidman on Nov. 8. Deputies said Stidham was found shot at a home in the 5900 block of North Kent Drive.

Stidham reportedly told deputies before his death that "Mark" shot him. Emergency crews later pronounced Stidman dead at a hospital.

According to court documents, a neighbor told deputies Achterberg threatened to shoot Stidman for allegedly stealing his truck.

Investigators later arrested Achterberg in Iowa. He was extradited back to Boone County in December.

Achterberg is being held at Boone County Jail on no bond.

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Zachary Farwell

Zachary Farwell is the assignment editor and former senior producer at ABC 17 News.

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