1. BOMB THREAT A bomb threat is an effective means of disrupting business.

8. Physical Characteristics of Suspicious Packages and Letters Ticking sound Marked with restrictive endorsements, such as “Personal” or “Confidential” Excessive security material such as masking tape, string, etc. No return address discoloration or odor Excessive weight Oily stains Misspellings of common words Title, but no name Lopsided or uneven envelope Protruding wires or aluminum foil Handwritten or poorly typed addresses Incorrect titles Excessivepostage Foreign Mail, Air mail and Special Delivery Shows a city or state in the postmark that does not match the return address