welcome back. i'm jake tapper. the national lead. the fbi had tamerlan tsarnaev on its radar back in 2011 but they did not tell boston police about it until it was way too late. now the head of the house homeland security committee, well, he is demanding answers and he's our guest. the buried lead. crea sees and desist. he put blue prints for a 3 d gun online for the whole world to see but after test firing the very first one the government shut him down. cody wilson one of "wired" magazine's 15 most dangerous people in the world will join us live. in other national news, lieu ana miller never gave up. the mother of amanda berry kept the faith that ther daughter was still out there somewhere. tragically she would not live to see the faith rewarded. in national news there were no takers for miles but nearly a