. >> but todd metalton and craig are concerned. as representatives of voice of the martyrs in the u.s. and canada, they travel the world to document cases of christian persecution. this means going directly to the source. >source. religious persecution is ongoing, albeit more hidden. >> to the outside world you get this understanding that things are not so bad in vietnam. but when you're actually in the country, you start to talk to the believers, you realize that the persecution is still there. >> which brings us back to this video. this is an unregistered church, which makes it illegal. according to pastor quang, government registration of churches is the new frontier in the battle for freedom of religion. >> registration is not freedom of religion. we have to ask for permit. registration is giving in to control. >> pastor quang and his church have no plans to register with the government. and they are in the process of rebuilding what was destroyed. he plans on continuing his fight for freedom through legal means. and most of al