East Cobb Senior Center, 3332 Sandy Plains Road, Marietta. 6 p.m. Cobb County Sheriff Neil Warren will provide a general overview of firearm types, gun safety tips, how to obtain a Georgia weapons license, use of deadly force and what to expect during an active shooter situation. There will be time for questions. Free gun safety locks will be provided. Free. For more information, email Glenn.Daniel@cobbcounty.org.