An Area Health Care Facility Is Back To Normal After Taking Extra Security Precautions Following A Threat At One Of Its Hospitals. A Potential Threat Was Identified On Friday Morning At Johnson City Medical Center. Around Eleven A.M., The Hospital Went Into Full Facility Lockdown. Patients, Staff, And Visitors Were Only Allowed To Enter And Exit Through The Emergency Department. Hospital Officials Did Not Say What The Potential Threat Was, But That They Worked Closely With Law Enforcement.