MURFREESBORO, Tenn. – Federal agents have been called out to investigate a possible arson case at the construction site of a controversial Islamic Center of Murfreesboro in Rutherford County. Officials said four construction vehicles were doused in some kind of flammable liquid accelerant early Saturday morning. Firefighters were alerted to the situation by a passerby who saw flames at the site. Only one large earth hauler was set on fire before the suspect or suspects left the scene. Investigators believed the people responsible for the fire was spooked and ran off before igniting the other three pieces of machinery. Agents...