Between 1953 and 1964 top secret trials were carried out using a chemical concoction of zinc cadmium sulphide to simulate how a cloud would disperse biological agents.
The unsuspecting population in the East of England was sprayed covertly with the poisonous compound at least 76 times.
Mike Kenner is an “Open Government Campaigner” who stumbled across the Norwich and Bedford trials, and whose revelations prompted two Government Inquiries.
This article by Mike Kenner describes how he uncovered the story using files obtained under the Freedom of Information Act.
Read More: Insider account – clouds of secrecy
Clouds of Secrecy