At just 31 years old, Andrés Sepúlveda claims to have controlled major elections across Latin America with just his hacking skills. Currently, Sepúlveda is serving a 10-year sentence for rigging Colombia’s 2014 presidential election; his charges include espionage, misuse of personal information, and employing malicious software.

Bloomberg Businessweek scored Sepúlveda’s first interview, where he opened up about the seedy underbelly of Latin American politics. And he didn’t hold back. From working with Mexican President Enrique Peña Nieto’s campaign and Juan José Rendón – a political consultant who definitely has more than a little Frank Underwood (House of Cards) in him – to his current work with Colombia’s attorney general’s office, Sepúlveda shined a light on information the general public isn’t privy to but has long suspected.

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Sepúlveda added that he’s only met a few of the candidates he’s worked for, meaning that some may not even know of Sepúlveda’s involvement in their campaigns.

Here are a few of his biggest revelations – all of which politicians have refuted – during his eight-year career: