Shantytown Counterinsurgency

Mac Margolis patrols Rio's slums with top crimefighter, José Mariano Beltrame:

“Rio’s strategy is nothing new, but it demands enormous resources,” says José Vicente da Silva, a former national safety secretary. “In one of the pacified favelas, there is one police officer for every 40 residents. There’s no police force in the world with that kind of manpower.”