On nine out of ten dollar bills in the United States, they find traces of cocaine
Up to 90% of dollars in the United States have traces of cocaine, Sky News told, citing research data conducted by Massachusetts University. Washington, Baltimore, Boston and Detroit, which were investigated in American cities, contained a small amount of potent narcotic substances, including cocaine. Researchers checked dollar bills of various advantages in 30 cities in the USA, Canada, Brazil, China and Japan.