Originally posted by the Voice of America. Voice of America content is produced by the Voice of America, a United States federal government-sponsored entity, and is in the public domain. For Racial Justice Protests, US Taps Tactical Border Squads Associated Press WASHINGTON - They are the most highly trained members of the Border Patrol, agents who confront drug traffickers along the U.S.-Mexico border and track down dangerous fugitives in rugged terrain. One day this past week, they were in a far difference setting -- a city park in Portland, Oregon, looking for two people suspected of throwing rocks and bottles at officers guarding the downtown federal courthouse. .