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==Illegal Uses==

==Illegal Uses==

In addition to being commonly added to heroin, fentanyl can be purchased directly from China through the Dark Web.  2 milligrams of pure fentanyl is fatal.<ref>https://www.npr.org/sections/health-shots/2019/09/04/757089868/fentanyl-as-a-dark-web-profit-center-from-chinese-labs-to-u-s-streets</ref> Based on that data, it would take about 1,450 pounds of pure fentanyl to kill every person in the United States. It is no wonder that some see fentanyl as a potential [[weapon of mass destruction]]<ref>https://nypost.com/2019/11/01/ohio-officials-seize-40-pounds-of-fentanyl-an-amount-close-to-chemical-warfare/</ref>

In addition to being commonly added to heroin, fentanyl can be purchased directly from China through the Dark Web.  2 milligrams of pure fentanyl is fatal.<ref>https://www.npr.org/sections/health-shots/2019/09/04/757089868/fentanyl-as-a-dark-web-profit-center-from-chinese-labs-to-u-s-streets</ref> Based on that data, it would take about 1,450 pounds of pure fentanyl to kill every person in the United States. It is no wonder that some see fentanyl as a potential [[weapon of mass destruction]].<ref>https://nypost.com/2019/11/01/ohio-officials-seize-40-pounds-of-fentanyl-an-amount-close-to-chemical-warfare/</ref>