Crop Circles and Official Secrets

Crop Circles and Official Secrets | Mysterious Universe: "In early 1941, Sir David Petrie was appointed Director General of the Security Service. MI5, and was given substantial resources to restructure the organization, whose origins date back to 1909. As a result, MI5 became one of the most efficient agencies of the War. After the defeat of the Nazis in 1945, it was learned that all of the Nazi agents targeted against Britain had been successfully identified, and in some cases recruited as double-agents, by MI5 – something that contributed to the success of the Allied Forces landing in Normandy on D-Day on 6 June 1944."