Colombian energy giant Ecopetrol has polluted hundreds of sites with oil, including water sources and biodiverse wetlands, the BBC World Service has found. However, as detailed in a new documentary produced and directed by Owen Pinnell of the BBC: "Exposing the toxic record of Colombia's oil giant | BBC World Service Documentaries,:" there are far more issues involving Colombia's Ecopetrol beyond just pollution the region's water sources such as potential links to paramilitary groups. As quoted in the documentary: "Matthew Smith, an oil analyst and financial journalist based in Colombia, says he does not believe Ecopetrol managers are involved in threats by armed groups. But he says there is an "immense" overlap between former paramilitary groups and the private security sector. Private security firms often employ former members of paramilitary groups and compete for lucrative contracts to protect oil facilities, he says.   Whistleblower and former employee of Ecopetrol, Mr Olarte shared internal Ecopetrol emails (now named "The Iguana Papers") showing that in 2018, the company paid a total of $65m to more than 2,800 private security companies. "There is always that risk of some sort of contagion between the private security companies, the types of people they employ, and their desire to continually maintain their contract," Mr Smith says. He says this could potentially even include kidnapping or murdering community leaders or environmental defenders in order to "ensure that Ecopetrol's operations proceed smoothly". And so, journalists Emily Hart and Richard McColl of the Colombia Calling podcast, have the fantastic opportunity to discuss what it meant to film this documentary, meet the courageous people who were and are willing to speak out about some of the crimes being committed in the region of Barrancabermeja, Santander and how the whole area is being affected by this. BBC Article: https://www.bbc.com/news/articles/crewlj11jljo Tune in and see the documentary here: https://youtu.be/Grp3YRhSf2o This is a truly incredible episode of the Colombia Calling podcast, please be sure to share, like and spread the word. And as always, tune in to the Colombia Briefing, reported by Emily Hart.