The Germ Genie
The genetic engineering revolution makes it possible to create designer germ weapons which could devastate populations by spreading deadly diseases against which there may be no defence.
With exclusive access to top secret military establishments in the US,
Assignment reveals the scale of the threat. BBC defence correspondent David Shukman investigates why international efforts to curb the proliferation of biological weapons are being held up by the powerful biotechnology industry.
Producer David Baillie ; Editor Keith Bowers