Recent Examples of letter bomb from the Web
The letter bomb also attracted fringe groups such as the Japanese doomsday cult Aum Shinrikyo.
Ivan Duque said Wednesday that police recently briefed him on a purported plot to send a letter bomb to his Bogota offices.
In the 1940s, an extremist Zionist group sent letter bombs to senior British officials and to President Harry S. Truman.
Targets of letter bombs have included: the International Monetary Fund, embassies, John D. Rockefeller, judges, journalists, an anti-Apartheid activist, local police, and prime ministers.
Beginning in the 20th century—as the mail-delivery system became even more codified and expansive—letter bombs became a tool of political terrorism.
In all the cases, the letter bombs contained gunpowder.
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LETTER BOMB Defined for English Language Learners
Definition of letter bomb for English Language Learners
: a bomb that is mailed to someone in a letter or package and that explodes when the letter or package is opened
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