>> o'kane, grass, crack -- cocaine, grass, crack, we have it all. it is our living. it is because of this we are able to eat every day. it is great. for us, it is a good job. i sell, but i am not a user. cooks cannot touch it. i only smoked joints. that is my thing. >> outside, the atmosphere is electric. an open air drug market is in full swing. the trading never lets up, with a steady stream of clients eye appointment only. this -- by appointment only. this suburb of rio de janeiro is beyond the control of the brazilian authorities. the strategy was to use special forces to recapture territory and then move in police units to pacify the areas under their control. mangera is one such slum. it was once controlled by armed gangs. today, it is the police who have be the guns. these officers have been here for more than a year. the goal of captain l and her team is to win the hearts and minds of residents. >> we should put in a cable car here also. god be with you. >> a smile is her secret weapon. >> we have to talk to people. >> so far, 8000 officers have been trained