U.S. Immigrations and Customs Enforcement’s (ICE) Enforcement and Removal Operations (ERO) unit in Chicago, has successfully carried out the extradition of Osiel Cardenas Guillen, a 57-year-old former Zeta cartel operative, back to Mexico, ICE announced in a recent release. Cardenas, who was wanted for homicide and illegal firearm possession by Mexican authorities, was safely handed over following a collaborative effort involving several ERO divisions.