The plane landed at San Francisco International Airport and after the seat belt sign was turned off, the passengers filed out front hatch. Meanwhile, the anxious immigrants who had been on board were taken to the INS office. As a matter of course, each was to be interviewed by uniformed agents of the State. The first man was asked whether he believed "in overthrowing the government of the United States by force or violence?" and he replied after some hesitation, "violence."