most of the country. my familyion both my sisters were working with human rights and when the taliban took over in afghanistan it wasn t our place. we got kind of expelled. reporter: this kabul native is well aware of the taliban savegery. his family fled eventually to atlanta and he became a u.s. citizen. we had threats you either leave afghanistan or you will get killed. oliver: local knowledge and expertise like his are crucial. i felt obligated as an american. i have the skills and chance to help my other fellow americans. it was the perfect time for me. college can wait, but this can t. oliver: next, on war stories the u.s. marines return to afghanistan and go head to head with a vicious enemy in some of the most
reporter: this kabul native is well aware of the taliban savegery. his family fled eventually to atlanta and he became a u.s. citizen. we had threats you either leave afghanistan or you will get killed. oliver: local knowledge and expertise like his are crucial. i felt obligated as an american. i have the skills and chance to help my other fellow americans. it was the perfect time for me. college can wait, but this can t. oliver: next, on war stories the u.s. marines return to afghanistan and go head to head with a vicious enemy in some of the most inhospitable terrain on earth. don t go away. [ male announcer ] for fastidious librarian emily skinner, each day was fueled by thorough preparation for events to come. well somewhere along the way, emily went right on living