Biden's top diplomat says he is “”surprised”” by the number of prisons under the Assad regime

Roger Carstens, the White House's special envoy for hostage issues, speaks to Jordan's “Face the Nation with Margaret Brennan” after traveling to Syria to seek information on Austin Tice. While in Syria, he said he was “surprised” by the number of prisons operating under the Assad regime, making it very difficult to find Tice.