 Shortly after his conviction he was transferred to the Utah State Prison as part of a prisoner exchange program.On July 6, 1994, Kell attacked and killed inmate Lonnie Blackmon at the Utah Department of Corrections Gunnison facility, stabbing Blackmon a total of 67 times while his associate, Eric Daniels, held Blackmon down.Kell was sentenced to death by firing squad for his part in the murder.