Kevin Hillman, Pulaski County Prosecuting Attorney, announced that Friday in Circuit Court action, Steven Allison and Bryan Gardner, both formerly of St. Robert, were sentenced for their roles in the shooting death of Gregory Rivera that occurred on October 16, 2020, just outside of St. Robert. Mr. Allison had previously pled guilty to Voluntary Manslaughter and Unlawful Use of a Weapon. Judge Beger sentenced him to fifteen years on the Voluntary Manslaughter count and three years on the Unlawful Use of a Weapon count, with the sentences to run consecutively. Mr. Gardner previously pled guilty to Attempted Burglary in the First Degree and Harassment in the First Degree. Judge Beger sentenced him to ten years on the Burglary count and four years on the Harassment count with the sentences to run consecutively.
This case was investigated by the Missouri State Highway Patrol Division of Drug and Crime Control. The case was prosecuted by Prosecuting Attorney Kevin Hillman.