COLUMBUS, Miss. (WCBI)-Fifth Street in front of the court house was again shut down for a short period of time as police officers were called to the scene for a second bomb threat. State, city, and county court rooms across the state have once again received similar threatening messages of a bomb similar to the same ones received last Friday (12-14). Police say they are determined to find the person behind the threats. Tennessee received similar bomb threats that police believe are being sent out with a computer.