A top police official who worked as Mexico’s main liaison with Interpol was placed under house arrest as part of an investigation into leaks of information to drug cartels, prosecutors said Tuesday. The arrest of Ricardo Gutiérrez Vargas, who served as director for international police affairs and Interpol at the Federal Investigative Agency, was the latest blow to Mexico’s police forces, which have had a number of top officials linked to the nation’s powerful and violent drug gangs. Full Story