Bruno Paes Manso, has an Economics degree (University of São Paulo, Brazil) and journalism (PUC-SP). He worked for ten years as a reporter for the newspaper O Estado de S. Paulo. He also served in Veja magazine, Folha da Tarde and Folha de S. Paulo. His is currently a postdoctoral fellow at the Center for the Study of Violence at USP. He completed his master's degree and doctorate in the department of political science at the University of São Paulo, where he researched the rise and fall of homicides in São Paulo. He is the author of the book The X Man - A story about the soul of the killer SP which won the Premio Vladimir Herzog best book report 2006.