1. What do investigators know about plans for possible terrorist attacks in Europe and the U.S.? (see para. 1-3, 5-6, 12, 16)

2. How did security officials obtain the information they have on possible terrorist plots in Europe and the U.S.?

3. What action has the CIA taken to disrupt the planned attacks on Western targets?

4. What don't investigators know about the planned attacks on Western targets?

5. When asked about the terrorist plot, a European official said, "This is an ongoing operation. We're not going to comment on it...It would have been better if it wasn't out in the public domain."
Do you agree with his assertion? Explain your answer.