A Piney Flats Tennessee Man Accused Of Making Threats To Blow Up Boone Dam Will Be Arraigned Today In Sullivan County General Sessions Court. 58 Year Old Joel Nadeau Is Charged With Making Terroristic Threats, Abuse Of 911 And Assault. Authorities Said During One Of His Calls To Dispatch, Nadeau Allegedly Threatened To Harm The Worker. Officers Located Nadeau At His Devault Bridge Road Home And Arrested Him Without Incident.