maybe if they are still investigating that they won't disclose anything??
from 2002:
The FBI on Monday scrambled to put out the warning, saying "recent information indicates a planned attack may occur in the United States or against U.S. interests on or around Feb. 12, 2002. One or more operatives may be involved in the attack."
Copyright 2002 Associated Press
All Rights Reserved
The Associated Press State & Local Wire
February 12, 2002, Tuesday, BC cycle
SECTION: Domestic News; State and Regional
LENGTH: 471 words