A letter bomb is an explosive device sent via the postal service, and designed with the intention to injure or kill the recipient when opened. They have been used in terrorist attacks such as those of
A mail bomb on display at the National Postal Museum
Robert Harley was targeted in one of the earliest modern parcel bombing incidents
Parcel bomb sent to Madame Tussauds in 1889
FBI reproduction of one of Theodore Kaczynski's bombs
The 2001 anthrax attacks, also known as Amerithrax, occurred in the United States over the course of several weeks beginning on September 18, 2001, one week after the September 11 attacks. Letters con
Letter bomb
…who may or may not be the person to whom the bomb was addressed). A related threat is mail containing unidentified powders or chemicals, as in the 2001 anthrax attacks. One of, if not the first, groups to consistently use letter bombs on a wide scale were the British suffragettes of the Women's Social and Political…
Laboratory technician holding an anthrax-laced letter sent to Senator Patrick Leahy
The Tom Brokaw (NBC) note
Envelope addressed to Senator Thomas Daschle, postmarked October 9, 2001