The Northwest Front is and organization lead by Harold Covington, The goal of the organization is the removal of territory from the Northwest from the United States (Either for violence or secession) to become a "White Homeland". They use a tricolor flag of White, Green and Blue- (The colors representing The Green Trees, The blue Sky, and the white people)
How to identify them:
The Northwest front is a highly secretive organization, It is not known how many members it has. They produce a lot of propaganda- Much of it on the internet. There is no known way of identifying one in person except perhaps by their flag.