Organized crime used to be considered a remote threat in much of Western Europe, but ruthless violence by criminal gangs is now rattling the peace in some of the world’s safest societies. WSJ’s Sune Rasmussen explores the rise of one drug kingpin and how his brutal tactics have spread around the continent.  Further Reading: - Violent Drug Gangs Bring Mayhem to Western Europe  Further Listening: - The Push to Test Drugs for Fentanyl  - Afghanistan's Desperation Economy  Learn more about your ad choices. Visit megaphone.fm/adchoices