A Mattoon man is dead and a Cowden resident is in custody following a shooting Wednesday night that is under investigation by multiple agencies.

According to the Shelby County Sheriff’s Office, deputies and Cowden Police responded to a 911 call around 9:46 p.m. on May 7 reporting a disturbance in progress involving a firearm in Cowden. Upon arrival, officers discovered 54-year-old Chad Perry of Mattoon deceased at the scene.

Authorities say 56-year-old Trent Buchanan of Cowden was taken into custody and booked on charges of Involuntary Manslaughter. As of Thursday afternoon, no formal charges had been filed.

The investigation remains ongoing. The Shelby County Coroner transported Perry for an autopsy, and the Illinois State Police Crime Scene Unit, Shelby County Coroner, and the Shelby County State’s Attorney’s Office are assisting with the case.

Sheriff Brian McReynolds confirmed the incident in a press release issued Thursday afternoon.