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This paper presents the participation of bots in the process of disinformation in the Brazilian political/electoral scenario between 2014 and 2018. The justification for this research was the growth of ideological polarization and the emergence of hate speech linked to political positioning that culminated in a massive campaign of disinformation, evidenced by fake news and other forms of manipulation. In this research multiple case studies were used referring to three moments: the 2014 elections, the 2016 impeachment and the 2018 election. We found studies investigating these events, and they were used as data sources for analysis of the conjuncture and the interpretation of these facts in a chronological perspective pointed toward the role of bots and the results of such actions. It has been observed that the use of bots has occurred since 2014; however, they were only engaged in propagating false content from 2015. The automation of the messages was sophisticated between 2014 and 2018, when bots ceased to be players who replicated posts indiscriminately (spam) to become users’ catalysts with the intention of creating or expanding new bubbles of disinformation. Finally, we observed that the same botnet active in Brazil was also involved in electoral processes around the world, making Brazil simply one more piece in this grand network of disinformation where who is involved and what their purpose might be is not known.

The Role of Bots in the Disinformation Process in Brazilian Politics between 2014 and 2018