Lock and barricade doors or windows, turn off lights, close the blinds
If you were able to see the offender(s), give a description of the person’s(s) sex, race, clothing, type of weapon(s), location last seen direction of travel, and identity – if known.
Silence cellphones and turn off devices that emit sound
SECONDARY RESPONSE
& FOLLOW UP
Keep yourself out of sight
Take adequate cover/protection behind objects that will stop a bullet, i.e., concrete walls, thick desks, filing cabinets. Stay low to the ground and spread out
If the fire alarm sounds, ignore it unless you can physically detect the signs of fire. The intruder may pull an alarm to flush people out into the open
Wait until a uniformed police officer provides an “all clear” before you leave your safe location. This may take a while
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