there was demonstrations expressing both outrage and praise for the unprecedented move. since the law went into effect, we have thousands of illegal aliens leaving our community. the crime rate dropped by 38 % in two years. reporter: corey stewart says the community has been transformed for the better. more than 2300 illegal immigrants have been deported. we ended up changing our policy just a little bit to check essentially everybody who is arrested for any crime whatsoever. that eliminated the possibility of racial profiling. our county was severely hurt economically. many, many people left this county. prince williams has had some of the biggiest depreciation of homes of anywhere in the area. reporter: nancy lyle says the law devastated prince william county and continues to undermind public safety. people don t come forward to testify as witnesses. they re afraid to do that. they re afraid to report crime. reporter: the issue is clearly divisive. while stewa