LANCASTER – Lancaster County Detectives are investigating a bomb threat made in an email received by a court office at the Lancaster County Courthouse on Thursday around 7:35 a.m. Deputies with the Lancaster County Sheriff’s Department conducted a floor-by-floor search and were assisted by an Explosive Detection K9 unit in the sweep. No evidence of a threat was found and courthouse services were not interrupted. All elected officials, department heads, and employees were notified of the threat. Anyone with information related to the case is encouraged to call 717-299-8100.