If You Observed A Heavy Police Presence Around Science Hill High School In Johnson City Today, Don’t Be Alarmed. An Active Shooter Drill Started This Morning At 9 Am, Which Allows Emergency Responders To Re-Enact An Active Shooter Scenario For Training Purposes, Such As Rushing People To The Hospital And Bussing Students Off Campus. Wings Also Landed On Campus As Part Of The Drill Operation. This Helps Local Agencies Be Prepared In The Event Such A Tragedy Might Occur.