 Outside Africa, law enforcement agencies say they have arrested hundreds of criminals across the world in a three-year operation using an FBI-designed app. Since 2018, Australia, New Zealand and the FBI have used an encrypted app, Enum, to keep track of organized crime. It has led to drug trade arrests in 18 countries across Asia, North and South America, Europe and the Middle East. Australia's Prime Minister caught the stink of a watershed operation that had hit a criminal gang that operated globally, saying it had struck a heavy blow against organized crime, not just in Australia, but one that would echo around organized crime and around the world. Australia and New Zealand police were among the first to reveal the stink on Tuesday. Australian police say they jointly conceived the plan with the FBI. The US Agency and Europol will present their own findings later on Tuesday. The Enum app had been one of the messaging services popular with organized crime gangs according to authorities.