1. Anon 2008 EU-bound sunflower oil “deliberately” contaminated EUBusiness.com
2. Associated Press 2006 Insurgent suspected of mass poisoning of Iraq police The Australian www.theaustralian.news.com.au/story/0,20867,20560653-2703,00.html
3. Commission on the Prevention of Weapons of Mass Destruction Proliferation and Terrorism 2010 Prevention of WMD Proliferation and Terrorism Report Card: An Assessment of the U.S. Government's Progress in Protecting the United States from Weapons of Mass Destruction Proliferation and Terrorism http://www.homelandsecuritynews.info/wp-content/uploads/2010/01/report-card.pdf
4. Dalziel , G.R 2009 Food Defence Incidents 1950-2008: A Chronology and Analysis of Incidents Involving the Malicious Contamination of the Food Supply Chain http://www.rsis.edu.sg/cens/publications/reports/RSIS_Food%20Defence_170209.pdf