A PM paramilitary police helicopter overflies the Favela da Mare shantytown complex in Rio de Janeiro, Brazil, on March 30, 2014 early morning. More than 1,000 police backed by the military and armored vehicles occupied the vast Mare favela near Rio's international airport at dawn Sunday, just 74 days before the World Cup. AFP PHOTO/CHRISTOPHE SIMON

Security Forces take on Sunday (30) the complex of favelas of Mare, in the north of Rio de Janeiro, to implement more Pacification Police Unit (UPP). According to authorities, the Tide was not included in the script of the first implementations of the UPPs and occupations due to the influence of two gangs in town, the Comando Vermelho (CV) and the Pure Third Command (TCP). (PHOTO: CELSO BARBOSA / BRAZIL PHOTO PRESS).

Security Forces take on Sunday (30) the complex of favelas of Mare, in the north of Rio de Janeiro, to implement more Pacification Police Unit (UPP). According to authorities, the Tide was not included in the script of the first implementations of the UPPs and occupations due to the influence of two gangs in town, the Comando Vermelho (CV) and the Pure Third Command (TCP). (PHOTO: CELSO BARBOSA / BRAZIL PHOTO PRESS).

Security Forces take on Sunday (30) the complex of favelas of Mare, in the north of Rio de Janeiro, to implement more Pacification Police Unit (UPP). According to authorities, the Tide was not included in the script of the first implementations of the UPPs and occupations due to the influence of two gangs in town, the Comando Vermelho (CV) and the Pure Third Command (TCP). (PHOTO: TERCIO TEIXEIRA / BRAZIL PHOTO PRESS).

PM paramilitary police BOPE elite unit personnel patrol a street of the Nueva Holanda favela, part of the Favela da Mare shantytown complex in Rio de Janeiro, Brazil, on March 30, 2014 early morning. More than 1,000 police backed by the military and armored vehicles occupied the vast Mare favela near Rio's international airport at dawn Sunday, just 74 days before the World Cup. AFP PHOTO/CHRISTOPHE SIMON

PM paramilitary police BOPE elite unit personnel patrol a street of the Nueva Holanda favela, part of the Favela da Mare shantytown complex in Rio de Janeiro, Brazil, on March 30, 2014 early morning. More than 1,000 police backed by the military and armored vehicles occupied the vast Mare favela near Rio's international airport at dawn Sunday, just 74 days before the World Cup. AFP PHOTO/CHRISTOPHE SIMON

Brazilian marines supported by an armoured car patrol a street of the Nueva Holanda favela, part of the Favela da Mare shantytown complex in Rio de Janeiro, Brazil, on March 30, 2014 early morning. More than 1,000 police backed by the military and armored vehicles occupied the vast Mare favela near Rio's international airport at dawn Sunday, just 74 days before the World Cup. AFP PHOTO/CHRISTOPHE SIMON

A PM paramilitary police BOPE especial unit sharpshooter aims his rifle during a street patrol along the Nueva Holanda favela, part of the Favela da Mare shantytown complex in Rio de Janeiro, Brazil, on March 30, 2014 early morning. More than 1,000 police backed by the military and armored vehicles occupied the vast Mare favela near Rio's international airport at dawn Sunday, just 74 days before the World Cup. AFP PHOTO/CHRISTOPHE SIMON

Brazilian marines on an armored personnel carrier (APC) patrol along the Nueva Holanda favela, part of the Favela da Mare shantytown complex in Rio de Janeiro, Brazil, on March 30, 2014 early morning. More than 1,000 police backed by the military and armored vehicles occupied the vast Mare favela near Rio's international airport at dawn Sunday, just 74 days before the World Cup. AFP PHOTO/CHRISTOPHE SIMON

Brazilian marines on APCs (armoured personnel carriers) patrol along the Nueva Holanda favela, part of the Favela da Mare shantytown complex in Rio de Janeiro, Brazil, on March 30, 2014 early morning. More than 1,000 police backed by the military and armored vehicles occupied the vast Mare favela near Rio's international airport at dawn Sunday, just 74 days before the World Cup. AFP PHOTO/YASUYOSHI CHIBA

A PM paramilitary police BOPE especial unit sharpshooter aims his rifle during the occupation of the Nueva Holanda favela, part of the Favela da Mare shantytown complex in Rio de Janeiro, Brazil, on March 30, 2014 early morning. More than 1,000 police backed by the military and armored vehicles occupied the vast Mare favela near Rio's international airport at dawn Sunday, just 74 days before the World Cup. AFP PHOTO/CHRISTOPHE SIMON

PM paramilitary police BOPE elite unit personnel patrol the Favela da Mare shantytown complex in Rio de Janeiro, Brazil, on March 30, 2014 early morning. More than 1,000 police backed by the military and armored vehicles occupied the vast Mare favela near Rio's international airport at dawn Sunday, just 74 days before the World Cup. AFP PHOTO/CHRISTOPHE SIMON

Plain clothes police officers (Policia Civil) talk to a suspect as they patrol the Favela da Mare shantytown complex in Rio de Janeiro, Brazil, on March 30, 2014 early morning. More than 1,000 police backed by the military and armored vehicles occupied the vast Mare favela near Rio's international airport at dawn Sunday, just 74 days before the World Cup. AFP PHOTO/CHRISTOPHE SIMON

Plain clothes police officers (Policia Civil) talk to a suspect as they patrol the Favela da Mare shantytown complex in Rio de Janeiro, Brazil, on March 30, 2014 early morning. More than 1,000 police backed by the military and armored vehicles occupied the vast Mare favela near Rio's international airport at dawn Sunday, just 74 days before the World Cup. AFP PHOTO/CHRISTOPHE SIMON

A young man poses for a picture in front of an armoured personnel carrier on patrol at the Favela da Mare shantytown complex in Rio de Janeiro, Brazil, on March 30, 2014 early morning. More than 1,000 police backed by the military and armored vehicles occupied the vast Mare favela near Rio's international airport at dawn Sunday, just 74 days before the World Cup. AFP PHOTO/CHRISTOPHE SIMON

Security Forces take on Sunday (30) the complex of favelas of Mare, in the north of Rio de Janeiro, to implement more Pacification Police Unit (UPP). According to authorities, the Tide was not included in the script of the first implementations of the UPPs and occupations due to the influence of two gangs in town, the Comando Vermelho (CV) and the Pure Third Command (TCP). (PHOTO: CELSO BARBOSA / BRAZIL PHOTO PRESS).

Security Forces take on Sunday (30) the complex of favelas of Mare, in the north of Rio de Janeiro, to implement more Pacification Police Unit (UPP). According to authorities, the Tide was not included in the script of the first implementations of the UPPs and occupations due to the influence of two gangs in town, the Comando Vermelho (CV) and the Pure Third Command (TCP). (PHOTO: CELSO BARBOSA / BRAZIL PHOTO PRESS).

Security Forces take on Sunday (30) the complex of favelas of Mare, in the north of Rio de Janeiro, to implement more Pacification Police Unit (UPP). According to authorities, the Tide was not included in the script of the first implementations of the UPPs and occupations due to the influence of two gangs in town, the Comando Vermelho (CV) and the Pure Third Command (TCP). (PHOTO: TERCIO TEIXEIRA / BRAZIL PHOTO PRESS).

Security Forces take on Sunday (30) the complex of favelas of Mare, in the north of Rio de Janeiro, to implement more Pacification Police Unit (UPP). According to authorities, the Tide was not included in the script of the first implementations of the UPPs and occupations due to the influence of two gangs in town, the Comando Vermelho (CV) and the Pure Third Command (TCP). (PHOTO: TERCIO TEIXEIRA / BRAZIL PHOTO PRESS).

Security Forces take on Sunday (30) the complex of favelas of Mare, in the north of Rio de Janeiro, to implement more Pacification Police Unit (UPP). According to authorities, the Tide was not included in the script of the first implementations of the UPPs and occupations due to the influence of two gangs in town, the Comando Vermelho (CV) and the Pure Third Command (TCP). (PHOTO: TERCIO TEIXEIRA / BRAZIL PHOTO PRESS).