The Federal Bureau of Investigation said this week that it is offering a reward for leads in a South Dakota cold case murder from 2016.

The Minneapolis Field Office of the FBI is offering a reward of up to $5,000 for information leading to the arrest and convinction of the person or persons responsible for the murder of Jessie Wallace Cook in Eagle Butte, South Dakota.

On Oct. 29, 2016, Cook, then 32 years old, was found on the ground, unresponsive, near the water tower on the corner of Willow Street and U.S. Highway 212 in Eagle Butte. He was pronounced deceased at approximately 9 a.m. the same day.

Cook had severe facial damage, and the autopsy determined blunt force injury to be the cause of death. Cook, who was an enrolled member of the Cheyenne River Sioux Tribe Indian Reservation, had brown hair and brown eyes, was 5-foot-8 and 165 pounds.

Anyone with information regarding this case is asked to call the FBI's Minneapolis Field Office at 763-569-8000. Anonymous tips can be submitted online at