Black Tom Explosion  The Black Tom explosion was the peak act of
German sabotage on American soil during the First World War.
Bletchley Park  Bletchley Park was the headquarters of the
British Military Intelligence Government Code and Cipher School
during World War II. Located fifty miles north of London, on the
grounds of the sprawling Victorian mansion for which it was
named, Bletchley Park employed 12,000 code breakers and staff.
Bolivia, Intelligence and Security  Bolivia gained its
independence from Spain in 1825. Since then, the nation has
weathered nearly 200 political coups and other incidences of
political upheaval.  Bomb Damage, Forensic Assessment  Just as
fires and explosions are closely related phenomena in physical
and chemical terms, bomb-damage assessment is an aspect of
forensic science closely related to arson investigation. In both
cases, authorities analyze a crime scene for telltale signs of
the nature of the materials that facilitated the conflagration.
Bomb Detection Devices  When de