>> who's going to stop them? >> aurora may be skeptical over how much of a deterrent the structure will actually be. she and her family on land along the border in south texas and they have now received a letter from the department of justice offering $2900 for more than one acre of their property. fair market die says the federal government not even close for land that has been in the family for generations. >> i don't think it's fair. we have grandchildren and great-grandchildren and we will be given about $50. legal scholars say this is just one example out of possibly thousands where the feds will have to exercise eminent domain to snatch up private border property to build on. >> it can be scary and they can be emotional. turning blue gala in imminent domain law. he says the lone star state is unique and predicts many here