Ashley Cain visited dangerous places around the world - and tried to understand why some young men choose a life of crime.

Armoured personnel carriers from the Brazilian navy rolled through smoke-filled streets in Rio de Janeiro on Thursday as police battled (favelas) slum-based drug gangs for a fifth consecutive day ...

Hoy, su favela, situada en la zona norte de Río de Janeiro, ha cambiado: las casas de cemento tienen azulejos en las fachadas. Aunque modestas, muchas tienen dos o tres pisos, que bloquean la ...

from favelas in Brazil to gangs in Sweden. And he also explores other topics like rhino poaching in South Africa and illegal gold mining in Colombia. He wanted to understand why they had chosen a ...