How the US Government Secretly Sold 'Spy Phones' to Suspects

In 2010, a suspected cocaine smuggler named John Krokos bought encrypted BlackBerry devices from an undercover Drug Enforcement Administration agent. That sort of federal subterfuge is par for the course. But in this case, the DEA held onto the encryption keys—meaning that when the government moved on Krokos and his alleged collaborators a few years later, they could read the emails and messages that passed to and from the phone.

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