From February 24 to 28, a delegation of U.S. Attorneys led by U.S. Attorney Nick Hanna of the Central District of California, U.S. Attorney Robert Brewer of the Southern District of California, U.S. Attorney Mike Bailey of the District of Arizona, U.S. Attorney John Anderson of the District of New Mexico, U.S. Attorney Joseph Brown of the Eastern District of Texas, U.S. Attorney Ryan Patrick of the Southern District of Texas, and U.S. Attorney John Bash of the Western District of Texas along with their and the Northern District of Texas criminal chiefs and Organized Crime Drug Enforcement Task Forces (OCDETF) chiefs traveled to Mexico City to participate in a series of briefings and meetings regarding counter-narcotic efforts as well as efforts to combat transnational criminal organizations (TCOs) and the trafficking of arms and drugs.