“Even small amounts are deadly’: Spread of zombie drugs in Europe calls Interpol into action. 50 times stronger than heroin and even 100 times weaker than morphine.

Fentanyl is a strong painkiller that is used, among other things, by cancer patients, but is also traded illegally. With chemicals manufactured primarily in China, it is often produced in Mexico and smuggled from there to the USA. In the United States, approximately 100,000 people die from a fentanyl overdose every year.