The story

This city's drug underworld is littered with "poseurs" -- lowlife triggermen pretending they're the real hard cases.

But a longstanding and trusted source, with intimate knowledge of Medellin's violent subculture, assured me the two men I was about to meet were the real deal.

My destination: a single-story home in the city's notorious "Commune 13" district where I had set up a meeting with two hit men, who have for years hired their lethal services out to the cocaine cartels.

Inside the house, a man called "Red" sat on a couch toying a fully loaded 9mm Ruger pistol. "This will stop somebody nicely," he said, as I glanced at it.

His face and arms were covered in burn marks. He said it was a testament of the day a barrel of acid spilled onto him as he was working in a clandestine cocaine processing lab in northern Colombia. Read full article »

World's Untold Stories
CNN's Karl Penhaul investigates Colombia's drug gangs.
1230 GMT, October 20

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