Why Facebook Enlisted This Research Lab to Track Its Trolls | WIRED

During the recent elections in Mexico, for example, DFRLab dissected the behavior of a political consulting group called Victory Lab that was spamming the election with fake news, driven by Twitter bots and Facebook likes that appeared to have been purchased in bulk. The team found that a substantial number of those phony likes came from the same set of Brazilian Facebook users. What's more, they all listed the same company, Frases & Versos, as their employer.