21.   U.S. tourists say that if there is an attack, it would likely be from domestic terrorists who want to embarrass the nation in the eyes of the world.

22.   Tubbs said it was too soon to say whether the crime was the work of a domestic terrorist or somebody connected to the railroad.

23.   Well-funded Arab groups could begin funding domestic terrorists to sidestep security, he said.

24.   Concrete barriers and photo IDs became the order of the day at more buildings after the Oklahoma City domestic terrorist bombing.

25.   No one was injured and there was no claim of responsibility, although officials suspect domestic terrorists.

26.   There have been no claims of responsibility, but the rudimentary nature of the bomb and the targeting of a government building led many to suspect domestic terrorists.

27.   There has been no credible claim of responsibility, but the rudimentary nature of the bomb and the targeting of a government building led many to suspect domestic terrorists.

28.   U.S. Attorney Christopher Christie of New Jersey said the arrests are part of a strategy to capture potential domestic terrorists before they can strike.