 Once a year, the course is offered to the public for free to teach people how to respond in an active shooter situation. Instructors say they hope the people who attend will share the tips with as many other people as they can. Anti-Semitic flyers are dropped in a Gallatin neighborhood overnight Thursday. This comes amid marches and demonstrations involving hate groups across Nashville in the last couple of weeks. Gallatin Mayor Paige Brown says she's working with police and committed to doing anything they can legally.