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| | Handbook of Texas Online: |
 | | In 1932 the patrol was placed under the authority of two directors, one in charge of the Mexican border office at El Paso, the other in charge of the Canadian border office at Detroit. |
 | | The same year, border patrol officers were first permitted to board and search a conveyance for illegal immigrants anywhere in the United States. |
 | | The border patrol of the 1990s carries out its functions with a variety of devices, including helicopters, blimps, airplanes, radar, floodlights, motion detectors, cameras, informants, dogs, various vehicles, and fences and walls. |
| www.tsha.utexas.edu /handbook/online/articles/UU/ncujh.html (1584 words) |
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