>> then out of nowhere, a van pulled up, two men hopped out. zach recognized one as a colleague of georgia's. they didn't look happy. zach tried to ask them. >> georgia, you know, where is she? where is she? and they didn't say, because they spoke no english and i spoke no japanese, just pretty much, like let's go, pointing to the van, and just kind of pushing me into the van. >> they were taking him to city hall. as you were being driven in that van, did you have any idea what they were driving you to see? >> no. >> did you know that they had been taking bodies to the city hall? >> no. no, i -- no. >> you didn't know that? >> didn't know. >> city hall had in fact become the temporary morgue. was that where he'd find georgia? >> coming up, the news everyone had been waiting for. >> he was very brave for what he did, very brave, that you'd do that for people that you love. >> when "dateline" continues. two men had pushed zach brennan