A disturbing revelation has come to light regarding the US government's activities in San Francisco. It is reported that the government secretly tested biological weapons in the area. The citizens of San Francisco were apparently affected by these tests, although details of the incident are limited.

Further information can be found through Popular Mechanics, which has published an article on the topic. For those seeking more information on this incident, the full story is available from the source, providing additional context and details about the government's secret testing of biological weapons in San Francisco.