On the morning of August 10, 2016, Corporal William Pressley Cooper, a 66‑year‑old White male and 19‑year veteran of the Sebastian County Sheriff’s Office, was killed while responding to a reported domestic disturbance near Hackett, Arkansas. The call had come from the suspect’s father and warned that a man was armed with a rifle. Cooper and other officers were met with gunfire when they approached the residence on Highway 253; the shooter was armed with a rifle and wearing body armor. Hackett Police Chief Darrell Spells suffered a grazing head wound during the exchange.

The shooter barricaded himself inside and a hours‑long standoff ended when he surrendered. Cooper was taken to a local hospital where he died of his wounds. Cooper was a U.S. Marine Corps veteran who had also worked five years with the Fort Smith Police Department before his long service in Sebastian County. The community mourned a career officer described as a model of community‑focused policing.

Did anyone in the area hear or see activity that morning near Highway 253 around Hackett that could help fill gaps in the timeline?