U.S. Rep. Walter Jones (R-NC), center, speaks during a press conference with Emanuel Lipscomb, from left, a survivor of the World Trade Center terrorist attack. A multicity support network inside America funded by Saudi Arabian officials to aid the 9/11 hijackers was never “taken down” after the attacks, and until a secret report detailing the network is made public, America will remain “vulnerable” to another attack, the former US senator who headed the joint congressional inquiry into 9/11 warns.