Britain and America's most guarded germ warfare secrets have been known to the Russians for decades and spies continue to operate at the heart of the West's biotechnology industry, a former KGB spymaster says today. Alexander Kouzminov also discloses that covert Soviet sabotage agents prepared secret sites where phials of lethal bacteria would be left, ready to poison western military establishments, civilian settlements and even assassinate political leaders in the event of war with the Soviet Union. The scientist, once a senior member of the KGB unit responsible for biological espionage, says that the secrets of Porton Down and the...