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Bomb Threat
Bomb Threat Procedures
Most bomb threats are received by phone. Bomb threats are serious until proven otherwise. Act quickly, but remain calm and obtain information with the Bomb Threat Checklist.
If a bomb threat is received by phone:
- Remain calm & do not hang up, keep the caller on the line
for as long as possible - If possible, signal other staff members to listen & notify Site
Decision Maker(s) - If the phone has a display, copy the number and/or letters on
the display - Write down the exact wording of the threat
- Record the call, if possible
- Fill out the Bomb Threat Checklist immediately
If you receive a social media or email threat:
- Do not turn off or log out of the account
- Leave the message open on the device
- Take a screenshot, or copy the message and subject line
- Note the date and time
- Notify the organization Site Decision Maker(s)
If you receive a written threat:
- Handle the document as little as possible
- Note date, time, and location the document was found
- Secure the document and do not alter the item in any way
- Notify the organization Site Decision Maker(s)
Bomb Threat Checklist

Date and time of the call
Time caller hung up
Phone number at which the call was received
Information About Caller:
- Where is the caller located? (background/level of noise)
- Estimated age
- Is voice familiar? If so, who does it sound like?
Ask Caller:
- Where is the bomb located? (building, floor, room, etc.)
- When will it go off?
- What does it look like?
- What kind of bomb is it?
- What will make it explode?
- Did you place the bomb? Yes or No
- Why?
- What is your name?
Caller Characteristics and Call Details
-
Voice characteristics of the caller
Physical qualities of the voice: Female, male, deep, loud, soft, raspy, nasal, normal, cracking voice -
Manner
Emotional state or demeanor: Angry, calm, excited, crying, laughter, disguised, distinct, ragged, deep breathing, clearing throat, coughing -
Speech of the caller
How the caller speaks: Rapid, slow, slurred, stutter, lisp -
Background Sounds
Sounds heard during the call: Animal noises, house noise, kitchen noises, street noise, booth, PA system, conversation, music, motor, office machinery, factory machinery, clear, static, local, long distance -
Threat Language
Content, tone, or delivery of the threat itself: Incoherent, message read, taped message, irrational, profane, well-spoken