French mafia groups imported up to 80 percent of the heroin sold in the United States from the 1930s until the late 1970s. Most of its members originated in Corsica, a small French island located in the Mediterranean Sea off the coast of Italy. Their  operation is often referred to as the French Connection. Thierry … Continue reading When the Sicilian Mafia Wanted Heroin, They Had to Ask the Corsicans