[3] The deputy is also part of the Evangelical Caucus[4] of the National Congress and is part of the allied base of the former president Jair Bolsonaro, however during the 2018 state elections in the state of Pará Mauro defended the PSD's position of integrating the support base of the then candidate Helder Barbalho, affiliated to the opposing Brazilian Democratic Movement.

[6] Mauro ran for mayor of his hometown of Belém under the banner of the PSD party in 2016, but finished third with 128,549 votes (16.53% of the ballot) behind Zenaldo Coutinho and Edmilson Rodrigues.

[12] On 1 May 2019 Mauro had his official profile removed by Facebook due to publishing content considered to be promoting violence and that violated the website's guidelines.

[13] On the 26 of the same month Mauro was accused of physically assaulting Bruna Lorrane, a transexual woman lawyer and public servant.

[14] In July 2019 Mauro was accused of promoting homophobia by publishing the name and information of an LGBT rights activist and university student on his Facebook page.