More than 600 immigrants nationwide have been jailed and subject to secret immigration hearings since Sept. 11, according to new Justice Department statistics. The numbers, in a department letter written to U.S. Sen. Carl Levin, D-Mich., are the first accounting of the magnitude of closed-door legal proceedings conducted as part of new, sweeping anti-terrorism laws, civil rights advocates said Wednesday. The numbers, they say, raise questions about how well the government has targeted its terrorism probe and whether hundreds of people have been deported without due process. Full Story