Rio de janeiro State Police Police (PMERJ) escort a prisoner down a stairway from a slum where a shootout took place about 3 hours earlier in Rio de Janeiro, Brazil, Oct. 21, 2009. (Douglas Engle/Australfoto)

Rio de janeiro State Police Police (PMERJ) escort a prisoner down a stairway from a slum where a shootout took place about 3 hours earlier in Rio de Janeiro, Brazil, Oct. 21, 2009. (Douglas Engle/Australfoto)