CJ Links Criminal Justice Environment Federal Bureau of Investigation - Houston Texas and Southwestern Cattle Raisers Association Federal Law Enforcement Training Center U.S. Immigration and Customs Enforcement Houston Area Women’s Center U. S. Border Patrol U.S. National Central Bureau - Interpol U.S. Drug Enforcement Administration U.S. Marshals Service Texas CASA Court Appointed Special Advocates United States Department of Justice – Office on Violence against Women Fraternal Order of Police FBI National Academy Associates, Inc. Eagles Up National Tactical Officers Association National Guard Association of Texas Texas State Guard Central Intelligence Agency Texas Parks & Wildlife Department Texas Department of Public Safety Concealed Handgun Licensing National Security Agency The NSA core missions are to protect U.S. national security systems and to produce foreign signals intelligence information. United States Department of Justice To enforce the law and defend the interests of the United States according to the law; to ensure public safety against threats foreign and domestic; to provide federal leadership in preventing and controlling crime; to seek just punishment for those guilty of unlawful behavior; and to ensure fair and impartial administration of justice for all Americans. United States European Command U.S. European Command (EUCOM) was established on 1 August 1952 to provide "unified command and authority" over all U.S. forces in Europe.