The Enemy Within, an International Spy Museum exhibition, reveals nine major events and periods in U.S. History when Americans were threatened by enemies within its borders: depicting how the government and public responded, illustrating the corresponding evolution of the U.S. counterintelligence and homeland security efforts, and examining the challenge of securing the nation without compromising the civil liberties upon which it was founded.

"Most Americans remember exactly where they were when they learned about the terrorist attacks on September 11, 2001 - and regard this event as a turning point that forever changed their sense of security in the United States," states International Spy  Museum Chairman of the Board and Founder, Milton Maltz.  "The fact is however, that Americans have endured thousands of incidents of terror, violence, or subversion right here at home by domestic terrorists and foreign agents, militant radicals and saboteurs, traitors and spies."

The exhibition features dramatic moments in U.S. History - all frightening, and  destabilizing events - that represent times when Americans have felt threatened  within their own borders. Each event precipitated legislation and/or new counterintelligence measures and provoked debate about protecting both citizens and civil liberties.

"Terrorism in whatever form is an assault on freedom," said Freedom Center President and CEO, Donald Murphy.  "As this exhibition dramatically demonstrates, our freedoms have been challenged internally by terrorists since our founding, and it is a reflection of the strength of our democracy that we have not succumbed to the terrorist's agenda."

The Enemy Within will be open to the public until February 6, 2011.

For more information and to view this event on The National Freedom Network website, click here.