On the Wednesday before Thanksgiving, Department of Juvenile Justice Commissioner Avery Niles and his planning and preparedness director Scott Cagle took aim on the Hall County firing range. Though both are former Hall County law enforcement officials — Niles as the Hall County Correctional Institute warden and Cagle as the fire marshal — the two illustrate how the training facility has become a hub for law enforcement. “Other agencies probably use this facility every bit as much as we do,” Sheriff’s Office Deputy Stephen Wilbanks said.