He was arrested friday in herndon, virginia. Cumberland — the fbi and police across the region are investigating a series of online threats made against schools this week. Webcumberland county authorities have confirmed that a juvenile has been charged following a bomb threat directed at the cumberland county schools. Webc rab orchard, tenn. Webinvestigators from the cumberland county sheriff’s office, homeland security, and cumberland county emergency management also responded to the incident.