More details have emerged about how Facebook data on millions of US voters was handled after it was obtained in 2014 by UK political consultancy Cambridge Analytica for building psychographic profiles of Americans to target election messages for the Trump campaign. The dataset — of more than 50M Facebook users — is at the center of a scandal that’s been engulfing the social network giant since newspaper revelations published on March 17 dropped privacy and data protection into the top of the news agenda. Facebook responds to data misuse A UK parliamentary committee has published a cache of documents provided to it by an ex CA employee, Chris Wylie, who gave public testimony in front of the committee at an oral hearing earlier this week.