Bangladesh, July 4 -- As Mexico welcomes millions of international visitors during the FIFA World Cup, new investigative reporting has raised questions about the background of companies responsible for security operations at the countrys busiest airport. The allegations center on two private security firms that were awarded contracts to provide services at Mexico City International Airport (AICM), despite historical corporate records linking them to individuals later accused by federal prosecutors of involvement in organized crime and firearms trafficking.

According to an investigation by the Organized Crime and Corruption Reporting Project (OCCRP) and its Mexican media partner, Mexicans Against Corruption and Impunity (MCCI), two compan...