Lesson Six: Defense Against Mail Bombs

Lesson Six provides a comprehensive overview of the threat associated with letter and parcel bombs and the methods and technologies available to effectively minimize risk from hazardous mailings.

Topics include:

Unique Dimensions of Mail Bomb Attacks • Mail Bomb Campaigns • Types of Mail Bombs • Layers of Defense (Concentric Rings of Protection) • Establishing a Screening Program • Interception • Organizational Applications • Executive Protection Applications • Identification • Threat Indicators • Construction • Markings • Technical Screening • Response Procedures

Lesson Six requires approximately 1 hour to complete.

Learning Objectives

Lesson Six will provide the student with an understanding of the following topics:

• Characteristics of mail bomb attacks (postal bomb campaigns, etc.).
• Types of mail bombs.
• Planning strategies for intercepting postal bombs.
• Visual mail screening techniques.
• Technical screening.
• Response to a suspect mailing.


Students completing Lesson Six should be capable of the following tasks:

1. Identify potential explosive-related threats delivered via postal delivery service.

2. Develop a mail screening program.

3. Recognize common mail bomb threat indicators.

4. Identify technical aids to assist in screening mail for bombs.

5. Safely respond to a suspect mail bomb.

Exercises and Quizzes

Lesson Six contains an interactive exercise to demonstrate the application of visual mail screening procedures.

Students finishing Lesson Six should immediately complete the interactive review quiz to test their understanding and retention of the lesson’s content. If the student correctly answers fewer than eight out of ten questions, he/she should repeat the lesson before continuing with the program.

Questions 26-30 of the comprehensive test are directly extracted from Lesson Six.

Click here to download a free demo of the Threat Indicators section of Lesson Six.

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Lesson Seven


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Lesson Seven

The lesson description on this page is extracted from the Bomb Countermeasures for Security Professionals CD-ROM, v2.0.