A Brazilian military police officer keeps watch after entering the Complexo da Mare, one of the largest slums, or favelas, in Rio de Janeiro, on March 30.
Rio de Janeiro's Complexo da Mare —
A Brazilian military police officer keeps watch after entering the Complexo da Mare, one of the largest slums, or favelas, in Rio de Janeiro, on March 30.
Mario Tama/Getty Images
The sun rises over the favela, where soldiers and marines are reinforcing a police crackdown on criminal gangs ahead of the World Cup football tournament, which begins in June.
Rio de Janeiro's Complexo da Mare —
The sun rises over the favela, where soldiers and marines are reinforcing a police crackdown on criminal gangs ahead of the World Cup football tournament, which begins in June.
VANDERLEI ALMEIDA/AFP/Getty Images
Girls watch a paramilitary police sniper secure an area in the favela as Brazilian soldiers conduct a search for weapons. The shantytown is just a few kilometers from Rio's international airport, where many of the expected 600,000 international fans will land.
Rio de Janeiro's Complexo da Mare —
Girls watch a paramilitary police sniper secure an area in the favela as Brazilian soldiers conduct a search for weapons. The shantytown is just a few kilometers from Rio's international airport, where many of the expected 600,000 international fans will land.
CHRISTOPHE SIMON/AFP/Getty Images
Drugs found by Brazilian federal police officers fill the back of a truck. Similar "pacification" programs have been staged in Rio's other favelas.
Rio de Janeiro's Complexo da Mare —
Drugs found by Brazilian federal police officers fill the back of a truck. Similar "pacification" programs have been staged in Rio's other favelas.
Buda Mendes/Getty Images
A police officer keeps watch March 30 in the Complexo da Mare.
Rio de Janeiro's Complexo da Mare —
A police officer keeps watch March 30 in the Complexo da Mare.
Buda Mendes/Getty Images
Police helicopters patrol over the favela.
Rio de Janeiro's Complexo da Mare —
Police helicopters patrol over the favela.
Mario Tama/Getty Images
Police and military personnel watch from the rear hatch of an armored personnel vehicle during a street patrol along the Nueva Holanda favela, part of the Complexo da Mare.
Rio de Janeiro's Complexo da Mare —
Police and military personnel watch from the rear hatch of an armored personnel vehicle during a street patrol along the Nueva Holanda favela, part of the Complexo da Mare.
CHRISTOPHE SIMON/AFP/Getty Images
A member of the military patrols a soccer field.
Rio de Janeiro's Complexo da Mare —
A member of the military patrols a soccer field.
Felipe Dana/AP
Police patrol the favela in Rio de Janeiro on March 30.
Rio de Janeiro's Complexo da Mare —
Police patrol the favela in Rio de Janeiro on March 30.
YASUYOSHI CHIBA/AFP/Getty Images
Brazilian troops prepare to enter the Complexo da Mare on March 30.
Rio de Janeiro's Complexo da Mare —
Brazilian troops prepare to enter the Complexo da Mare on March 30.
Mario Tama/Getty Images
A Brazilian soldier with a metal detector searches for buried weapons in the favela.
Rio de Janeiro's Complexo da Mare —
A Brazilian soldier with a metal detector searches for buried weapons in the favela.
CHRISTOPHE SIMON/AFP/Getty Images
Officers patrol the streets of the Complexo da Mare in June 2013. The FIFA Confederations Cup soccer tournament was going on in Rio at the time.
Rio de Janeiro's Complexo da Mare —
Officers patrol the streets of the Complexo da Mare in June 2013. The FIFA Confederations Cup soccer tournament was going on in Rio at the time.
YURI CORTEZ/AFP/Getty Images
Residents look on as military police officers patrol the Complexo da Mare on March 30.
Rio de Janeiro's Complexo da Mare —
Residents look on as military police officers patrol the Complexo da Mare on March 30.
Mario Tama/Getty Images