Editor's note: This article is part of an ongoing WPR series on the impact of corruption and various countries' efforts to combat it.
Last month, the mayor of Colombia’s main port city, Buenaventura, was arrested on corruption charges. In an email interview, Elisabeth Ungar Bleier, the executive director of Transparencia Por Colombia, the Colombian chapter of Transparency International, discussed Colombia’s progress in the fight against corruption.
WPR: How big an issue is corruption in Colombia, and in what areas is its impact most felt?