In private, they said it was plausible. In public, they called it a conspiracy theory.
In August 2007 there was an outbreak of foot-and-mouth virus on a farm in Surrey. It was a few miles from the world’s leading reference laboratory for identifying outbreaks of foot and mouth. Nobody thought this was a coincidence and sure enough a leaking pipe at the laboratory was soon found to be the source: a drainage contractor had worked at the lab and then at the farm.
