1 to help counteract any intercepted plans to bypass court security. Another role is to study implement any security measures which have been used and proved effective by other thouses and outside law enforcement agencies. Although the Chief of courthouse security is onsible for the above roles, their most important role is to ensure and maintain constant munication from the top to the bottom of the chain of command during an emergency event. ing any and every emergency situation, communication is key as it can either hinder onses and possibly cost lives or it can make responses more proactive which in turn will save 6. This is a no-fail role as communication will directly affect the outcome of emergency ations. at is the definition of lockdown? What is a safe haven? How are the two different? general definition of the term lockdown is to have all personnel in the building go to their ective area and secure the doors and windows. This quick reaction plan is used mainly to