On January 25, 2009 Jose Antonio Robledo Fernandez, a Mexican engineer working for ICA Flour Daniel, a construction company, was kidnapped by three armed men in the northern Mexican town of Monclava in Coahuila. Fernandez, who is still missing, is one of at least 36 engineers and technicians to have vanished in the past four years -- kidnapped, not for ransom, but as slaves who run the high-tech systems of one of Mexico's infamous, violent drug cartels, the Los Zetas. The US government has called the Zetas "the most technologically advanced, sophisticated and dangerous cartel operating in Mexico". In December...
