ABERDEEN, S.D. (AP) — An official of the South Dakota attorney general’s office says a Brown County Jail inmate apparently killed himself.

Twenty-eight-year-old Mitchell Morrison of Aberdeen was found unresponsive in the jail in Aberdeen with a noose around his neck Thursday night. Morrison died three days later at a Sioux Falls hospital.

Tim Bormann, chief of staff for South Dakota Attorney General Jason Ravnsborg, told the American News that the death appears to have been a suicide.

The state Division of Criminal Investigation is investigating. Autopsy results are pending No foul play was suspected in the death.

Morrison pleaded guilty in Day County in April to a felony drug crime and was sentenced to serve two months in jail.