Active killer / hostile intruder situations are unpredictable, 发展迅速, and are often over in 10–15 minutes.

Before law enforcement arrives on the scene, you must be prepared both mentally and physically to deal with an active killer / hostile intruder situation.

If an active killer / hostile intruder is in your vicinity, quickly determine the most reasonable way to protect your own life.

学生 are encouraged to follow the lead of instructors during critical incidents prior to the arrival of the Public 安全 officers and emergency personnel.

1. 尽量撤离

If it is possible to escape the area safely, attempt to evacuate, and do so quietly.

1. Have an escape route and plan in mind.

2. Evacuate regardless of whether others agree to follow.

3. Leave your belongings behind.

4. Help others escape, 如果可能的话.

5. If necessary, break windows or glass to get out of the area.

6. Run in the opposite direction of the disturbance or shots, cover your head with books or other items for protection. DO NOT stop running until you are in a safe area.

7. Prevent others from entering the area where the active killer; / hostile intruder may be located.

8. 让你的手露出来. As you move through open areas keep your HANDS ELEVATED with OPEN PALMS visible, especially if encountering responding law enforcement officers.

9. Do not carry phones or other objects in your hands.

10. Follow all the instructions officers may give you.

11. Generally, do not attempt to move wounded people.

12. Call Public 安全 at 319-296-4234 when you are safe.

13. Remain in a safe location until you receive instructions from police.

2. 躲起来，找地方躲避

If evacuation is not possible, find a place to hide where the active killer is less likely to find you.

1. Find a room where the doors can be locked or barricaded securely.

2. 关闭 and lock windows, lower blinds, remain out of sight, turn off lights.

3. 一旦被锁在里面, barricade the door with heavy furniture and take cover behind concrete walls, 厚的桌子, 文件柜, away from windows and doors.

4. 保持冷静和安静.

5. 把手机调成静音. Turn off cell phone ringer, vibrate option, and set phone to silent.

6. Turn off any sources of noise (radios, television, etc.)

7. Contact Public 安全 at 319-296-4234 with the following information:

   • 你的位置,
   • the intruders location, and
   • the condition of the others with you.

8. If you cannot speak, leave the line open so the dispatcher can hear what is happening.

9. Follow the instructions of Public 安全 officers and emergency personnel.

3. If Evacuation and Hiding Are Not Possible

1. 保持冷静.

2. 拨打319-296-4234, 如果可能的话, to alert Public 安全 and the police to the active killer’s / hostile intruder's location.

3. If you cannot speak, leave the line open and allow the dispatcher to listen.

4. Take Action Against the Active Killer / Hostile Intruder

作为最后的手段, and only when your life is in imminent danger, attempt to disrupt and/or incapacitate the intruder.

• Acting as aggressively as possible against him/her.

• Throwing items and improvising weapons.

• Yelling and committing to your actions.