Annabelle Dias Felix is a Ph.D candidate in Political Science at Université de Montréal. She holds a master degree in Latin American Studies specialized in Political Science at IHEAL (Institut des Hautes Études sur l’Amérique latine) in Paris. She has specialized in public safety issues in Brazil since her first year of master’s degree. Then she has deepened her research on the subject during her last year. As part of this work, she has done a three-month fieldwork in a pacifying police unit in Rio de Janeiro and wrote a thesis entitled : “Security Politics and Pacifying Police Units in Rio de Janeiro : Practices and Representations in Military Police in Mangueira”. She also explores this question for her Ph.D but by proposing a comparison between the Brazilian case with the case of Mexico city through the prism of the Rule of Law in these two countries.