A Knoxville Police Department officer shot and killed an armed suspect at Walter P. Taylor homes early Thursday morning, just as the suspect was about to fire through a door at another officer, according to KPD. The suspect, Larry Ardis, 56, a Louisiana man with a lengthy criminal record, was armed with a fully loaded .44-caliber magnum revolver, and had a box of ammunition in his pocket, KPD spokesman Darrell DeBusk said. A woman who encountered Ardis prior to the shooting has told investigators that he was "ready to kill and wanted to kill," and was wearing plastic over his...