On October 19th, the Treasury Department's Office of Foreign Assets Control designated Guillermo Leon Valencia Cossio, former Regional Director for the Colombian Prosecutor's office in Medellin, as a Specially Designated Narcotics Trafficker pursuant to the Foreign Narcotics Kingpin Designation Act. Separately, OFAC identified two U.S.-based companies, Running Brook, LLC (USA) and La Hacienda (USA) as blocked pursuant to the Kingpin Act for being owned or controlled by Fernando Melciades Zevallos Gonzales, a Peruvian national identified as a significant foreign narcotics trafficker. The designations prohibit U.S. persons from conducting financial or commercial transactions with the identified individuals and companies and freeze any assets they may have under U.S. jurisdiction. Treasury Department Press Release.