Two suspects are in custody and a third is being sought in connection with a homicide on July 6, in rural Audrain County near the Centralia Battlefield, according to a release from the Mid-Missouri Major Case Squad.

Richard N. Henry III, 37, of Overland, and Arline L. Diedrich, 39, of St. Ann, are being held in the Audrain County Jail in Mexico awaiting formal charges relating to this case. Both Henry and Diedrich were taken into custody on Sunday at Henry’s residence in Overland by detectives with the Mid-Missouri Major Case Squad.

On July 6 a passerby located Leon Wilder III, 30, of Columbia, along Audrain County Road 997 north of Grassland School Road. Law enforcement and emergency medical personnel were dispatched to the scene at 2:20 p.m. An autopsy by the Boone County Medical Examiner determined the victim died from a gunshot wound.

The Mid-Missouri Major Case Squad was activated and law enforcement officers from 13 agencies are assisting with the investigation.