The FBI and Justice Department are investigating the now-defunct data firm Cambridge Analytica, and prosecutors have spent the last few weeks questioning former employees, an American official and others familiar with the matter told The New York Times. Cambridge Analytica worked with President Trump's campaign and those of other Republicans during the 2016 election, and in March, it emerged that the firm harvested private data from more than 50 million Facebook users. Using that data, they developed techniques that could allegedly identify personalities of voters and influence their behavior. Earlier this month, Cambridge Analytica announced it was shutting down and declaring bankruptcy, saying bad press and investigations like one recently launched by the National Crime Agency of Britain had ruined the business.
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