The Federal Bureau of Narcotics's 1960 annual report estimated that from 2,600 to 5,000 pounds (1,200 to 2,300 kg) of heroin were coming into the United States annually from France.
The 1960 annual report of the Federal Bureau of Narcotics estimated that from 2,600 to 5,000 pounds (1,200 to 2,300 kg) of heroin were entering the United States annually from France.