Barnes is running as an independent candidate in next week's general election, while Kozak is the GOP nominee. Democrat Jess Fresquez is also on the ballot.
At first, details of the suspect's death were not released, but now Natrona County Coroner James Whipps has announced that Clutter died from a bullet wound to the chest that was not self-inflicted.
The Lovell Police Department reported on Sunday that a suspect has been arrested, and the victim is in "critical but stable condition," following an early morning shooting on Sunday, December 20.