Drug dealers in the UK are among a number of groups of criminals worldwide who were duped into using an encrypted messaging service that was run by the FBI. The major international sting involved a system called Anom that was secretly being monitored by law enforcement. Millions of messages about drug dealing, money laundering, and planned murders were accessed by authorities in the UK, the United States, Europe, Australia, and New Zealand. Around 800 suspects have been arrested in 16 countries, law enforcement agency Europol said. Anom, the brainchild of the FBI and the Australian police, was set up in 2019, and it grew to a service of 12,000 encrypted devices linked to more than 300 criminal gangs operating in more than 100 countries. The UK National Crime Agency said it had carried out “multiple operations” as a result of the sting, codenamed Operation Trojan Shield. A spokeswoman said: “The …