. . . . "er: according to the fbi, he is true across the southern border this decade. in san diego, violent crime is down 17%. in phoenix, down 10%. el paso, texas, one of the safest cities in the u.s., violent crime down 36%. and it sits right across from juarez, mexico, one of the deadliest cities on earth. west along the border in nogales, arizona -- >> this is a very safe environment. >> reporter: chr" . .