u.s. border patrol on defense this morning amid the ongoing controversy at some u.s. detention facilities. those scathing reports about unlivable conditions. well, now a key border patrol official from one of those controversial centers is talking to nbc's gabe gutierrez who joins us from el paso. gabe, what definite to tell you? >> reporter: hi there, chris. we spoke with aaron hall, the chief border patrol agent of the el paso sector that runs from the new mexico to the arizona state line, deep into texas. he is disputing those accounts. even after all the reporting and immigration attorneys were in the clint border patrol station which had those allegations of unsan terri conditions and overcrowding in "the new york