The man charged with first degree murder in the death of a Rockwell City police officer has pleaded not guilty.
Thirty-two-year-old Corey Trott was originally scheduled to be arraigned October 1st, but instead entered a written plea Monday.
Investigators say Trott shot and killed Officer Jamie Buenting on September 13th during a standoff with police. Officers were approaching the home at 502 Pleasant Street in Rockwell City to arrest Trott on an assault warrant when the shooting happened.
Trott is being held in the Sac County Jail.