“A Facebook psychology researcher who previously helped harvest millions of Facebook users’ profiles for the controversial Trump campaign contractor Cambridge Analytica has left the tech giant. In December 2015, when it said it first learned that a pair of Cambridge University researchers had sold the harvested user data to the election firm, Facebook began an investigation and demanded the data be deleted. Around the same time, it also hired Joseph Chancellor, one of the two researchers.”

Source : Facebook quietly parts ways with employee tied to its data scandal