The wife of Joaquin "El Chapo" Guzman, the imprisoned former leader of Mexico's Sinaloa drug cartel, was arrested on Monday over her alleged involvement in international drug trafficking, the US Department of Justice said.

Emma Coronel Aispuro (above), 31, a regular attendee at her husband's trial two years ago, was arrested at Dulles International Airport in northern Virginia and is expected to appear in a federal court in Washington on Tuesday...