The former DHS assistant secretary for counterterrorism, Elizabeth Neumann, discusses the firing of Kristi Noem as Department of Homeland Security secretary. Should you shut down your PC every night?

The former DHS assistant secretary for counterterrorism, Elizabeth Neumann, discusses the message, which was read on state TV, and potential threats against the U.S. Air Force lieutenant colonel, wife ...

Add Yahoo as a preferred source to see more of our stories on Google. ABC News contributor and former DHS official Elizabeth Neumann discusses the investigation into the mass shooting at Brown ...

Add Yahoo as a preferred source to see more of our stories on Google. The former DHS assistant secretary for counterterrorism, Elizabeth Neumann, discusses potential threats to the U.S. amid the ...

The former DHS assistant secretary for counterterrorism, Elizabeth Neumann, discusses potential threats to the U.S. amid the conflict with Iran.