Joint operation nets $ 28 million in cash hidden in shipping containers . Colombian , Mexican authorities working with U.S. agents seize money in two ports . On September 14 , ICE special agents , along with Colombian authorities , discovered three additional shipping containers in Buenaventura containing about $ 5 million in $ 100 and $ 50 bills . Washington Immigration and Customs Enforcement calls ports key points in drug trade route .
Joint operation nets $ 28 million in cash hidden in shipping containers . Colombian , Mexican authorities working with U.S. agents seize money in two ports . Washington Immigration and Customs Enforcement calls ports key points in drug trade route .