60 Minutes rewind. >> The largest, most successful gang of diamond thieves in the world is credited with over 370 heists worth $500 million, and it's getting bigger and more daring every year. The gang is composed of networks of teams who work together in Europe mostly, but they've done jobs in 35 countries as far a field as Tokyo and Dubai.They are ex Yugoslavs. Many fought in the Serbian special forces during the Bosnian wars. They are called the Pink Panthers, and that's not a joke. They got their name f ...