This exciting story tells the participation of Antônio Sérgio Carréra, a Lieutenant-Colonel of the Brazilian Federal District Police, in the Management Course for Police Executives held at the FBI National Academy, in Quantico, USA. When he was invited by the US Department of Justice, Sérgio didn t think twice to engage on this fantastic adventure of close interaction with FBI Agents, American and foreign police officers, and to submit himself to the rigors of an internationally renowned course in one of the best and most prestigious academies in the world. The sacrifice of facing a routine of classes, with practical and written tests, as well as rigorous physical training for three months, is in focus here, from the invitation to the graduation.