FBI app lures criminals into police hands - a podcast by BBC World Service

Hundreds of suspected criminals have been arrested after using an FBI-run messaging app. The joint operation with 16 law enforcement agencies worldwide was an effort to crack down on serious organised crime. Joseph Cox, technology reporter with the US website Vice, tells us how the sting operation worked. Also in the programme, US authorities say they've recovered part of a multimillion dollar Bitcoin ransom paid to a gang of cybercriminals who forced one of America's most important energy links, the Colonial Pipeline, to be taken offline last month. Kim Grauer is head of research at Chainalysis, and explains how those using Bitcoin leave a digital trail of their activities. The BBC's Samira Hussain reports from New York on the challenges young people are experiencing with finding jobs. Plus, on World Oceans Day, Christina Dixon of campaign group the Environmental Investigation Agency discusses what role business can play in helping to prevent what is currently around eight million tonnes of plastic waste entering the sea each year.

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