When America and other countries started to receive intelligence reports that Pakistan was making final preparations for a nuclear test, attempts were made to persuade its government not to go ahead.

ECONOMIST: India and Pakistan

But the best way, and final way, which is our weakest area, is from human intelligence.

CNN: General David Grange: Military strategy in Afghanistan

Yet in the final days and hours of the advance on Srebrenica, which American intelligence could monitor closely, Washington fell strangely silent.

ECONOMIST: Washington chronicle