A third person has been charged with the murder of a Columbia man in Benton County in 2021.
Benton County prosecutors charged Jack A. Wagner, 70, of Springfield, with First Degree Murder and Armed Criminal Action.
In May 2025, prosecutors charged Kayley R. Birnbaum, 35, and Michael T. Birnbaum, 28, both of Springfield, each with one count of First Degree Murder and Armed Criminal Action…