RECENT BIOTERRORISM I. In 1984, the Rajneeshees poisoned more than 750 by contaminating Oregon restaurants with Salmonella. Between 1990 and 1995 the Aum Shinrikyo cult … used anthrax and botulism. In April 1990, they used aerosol sprayers to release liquid botulinum toxin on the Diet, the U.S. Embassy in Tokyo, and two U.S. naval bases and the airport in Narita. Between June and August of 1993, the Aum Shinrikyo sprayed gallons of liquid anthrax in downtown Tokyo.
http://www.ipcs.org/article/terrorism/bio-terror-grave-implications-of-synthetic-biology-3242.html