secretary, general barry mcaffrey served as a witness during a border security hearing before this committeen the lost congress. and he said that the lack of comprehensive immigration reform is a direct threat to our national security. would you comment on that, please. >> part of comprehensive immigration reform that was passed by the senate enhanced border security. more resources, more technology, more surveillance. i support and agree with that -- >> you are. waing our continuing coverage of the house committee hearing on immigration reform. that is jeh johnson, our coverage continues right after the break. stray with us. ♪ al jazeera america gives you the total news experience anytime, anywhere. more on every screen. digital, mobile, social. visit aljazeera.com. follow @ajam on twitter. and like aljazeera america on facebook for more stories, more access, more conversations. so you don't just stay on top of the news, go deeper and get more perspectives on every issue. al jazeera america. >>> hello, i'm del walters in new york. you are watching our continuing coverage of the house homela