Secretary of Homeland Security Janet Napolitano today announced a new partnership with the World Customs Organization (WCO) to enlist other nations, international bodies and the private sector in increasing the security of the global supply chain—outlining a series of new initiatives to make the system stronger, smarter and more resilient.

The U.S. Homeland Security Department in 2010 identified a terrorist plan to contaminate salad bars and buffets at restaurants and hotels with lethal materials, CBS News reported.