He moved through legitimate business structures — hotels, consulting firms, foreign properties — while becoming a dominant force in Balkan drug trafficking during a period when the region's post-communist instability made it a critical corridor for narcotics moving into Western Europe. His assassination on Dam Square in Amsterdam in 2003 reflected both the reach of his operations and the violent competition that defined the trade at its peak.

His twenty-two-year grip on Guatemala was maintained through surveillance, political assassination, and the systematic elimination of rivals — making him one of the longest-ruling dictators in Central American history. The concessions he granted to the United Fruit Company reshaped the country's economy and sovereignty in ways that outlasted his regime by decades, laying the groundwork for what critics would call a "banana republic." His rule became a template for the region's subsequent authoritarian governments.