Bomb Threat Checklist 

If you consider a parcel or letter suspect:

  • Do NOT open it, move it, or cover it. 
  • Immediately call 911
  • Do NOT use a cell phone or two-way radio. Signals from these devices can denonate a bomb. 
  • Have another person contact your Emergency Warden and Building Security.
  • The immediate area should be cleared of employees and secured, but do not evacuate until police arrive and evaluate the threat. 
  • In the event of a bomb threat by phone, note, or e-mail
  • Suspicious Packages / Mail
  • Bomb Threat Checklist 

Bomb Threat


​Suspicious Mail & Packages 

Packages and large envelopes have been used in the past to deliver threatening devices and substances.  Be cautious for any packages exhibiting the following signs: No Return Address; Restrictive Markings (Personal, Confidential); Strange Odor; Excessive Tape; Sealed with Tape; Misspelled words, Addressed to Title Only, Incorrect Title, Badly Typed or Written; Excessive Postage; Lopsided, uneven, rigid or bulky; Oily stains, discolorations or crystallization on wrapping.

Most bomb threats are received by phone. Bomb threats are serious until proven otherwise.

Act quickly, but remain calm and obtain as much information as possible. 


  • Do not use cell phones or two-way radios; radio signals have the potential to detonate the bomb. 
  • Do not evacuate the Building until police arrive and evaluate the threat.
    • Most often, authorities will require you and other occupants to assist in locating anything suspicious or out of place.
  • Do not activate the fire alarm.
  • Do not touch or remove a suspicious package. 

​In the event of a bomb threat received by phone: 

  • Remain Calm
  • Utilize the Bomb Threat Checklist  to obtain specific information from the caller or from the individual who received the call.  
  • Keep the caller on the line for as long as possible.
  • Do Not Hang Up, Even If The Caller Does.  
  • Listen carefully. Be polite and show interest. 
  • Try to keep the caller talking to learn more information. 
  • ​If possible, while listening to the caller, try to attract someone’s attention in your immediate area discreetly and quietly.
    • Write a note to a colleague to call the 911 immediately, or as soon as the caller hangs up, immediately notify them yourself. If possible, do this from a separate phone. 

    • Do NOT use a cell phone or two-way radio. Radio signals can detonate a bomb. 

    • If possible have another person contact the Building Management office at the same time, or as quickly as possible.

  • ​If your phone has a display, copy the number and/or letters on the window display. 
  • Complete the Bomb Threat Checklist immediately, while the details are still fresh.(Click here for the form) 
    • Try to use exact words of the caller. 

​In the event of a handwritten bomb threat by note or letter:

  • Handle the note as minimally as possible
  • Call 911
    • ​Do NOT use a cell phone or two-way radio. Radio signals can detonate a bomb.
  • Call your Emergency Warden & Building Security 

In the event of an e-mailed bomb threat: 

  • Do Not Delete the message. 
  • Call 911
    • Do NOT use a cell phone or two-way radio. Radio signals can detonate a bomb.
  • ​Call your Emergency Warden &  Building Security