Groesbeck Chamber, PD and Limestone Co. Sheriff’s Office educate community on active shooter preparedness Wed, 02/21/2018 - 1:36pm PLEASE LOG IN FOR PREMIUM CONTENT. Our website requires visitors to log in to view the best local news. Not yet a subscriber? Subscribe today! Read more about Groesbeck Chamber, PD and Limestone Co. Sheriff’s Office educate community on active shooter preparedness