Christopher Wylie attracted worldwide media attention when he outed himself as the brainchild behind “Steve Bannon’s psychological warfare tool” that helped Donald Trump win the 2016 election. Wylie is facing significant legal risks by going public – yet doing so has become a matter of conscience for him. Carole Cadwalladr is a features writer for the British newspaper The Observer. Her article is an in-depth profile of the data scientist and his stint at Cambridge Analytica. getAbstract believes her piece is a must-read for Facebook users and everybody following the twists and turns of the post-2016 election fallout in the United States.