Here's an audio slideshow "Colombia's Displaced Indians" with photographs by Moises Saman, and narrated by Simon Romero (also the author of the accompanying article) concerning the misery affecting the indigenous population of western Colombia caught in the crossfire from a new breed of criminal armies is pressing deeper into the jungle, fighting with guerrillas who have been long in the Chocó region for control of the cocaine trade.
The objective of these groups is dominance over coca-growing areas and routes to ship cocaine abroad, predominantly to the United States.
The narration is rather flat in parts, but the photographs are really powerful.