Video surveillance tapes uncovered by authorities in Detroit and Spain in 2002 show that terrorists were targeting Las Vegas casinos, including the MGM Grand. The tapes had footage of three hotels within a short distance of each other on the Las Vegas strip with a combined total of 11,000 rooms. Here, pedestrians walk past the MGM Grand Hotel and Casino June 14, 2004.
The New York City Fire Department Fife and Drum Corps, left, plays during a ceremony at the New York, New York Hotel and Casino in Las Vegas, Aug. 14, 2002. The hotel had announced plans for a tribute there to the fallen heroes of 9/11. Targeted in terrorist videotapes, the casino is across the Las Vegas "strip" from the MGM Grand and Excalibur, two other casinos shown in the tapes.
Vehicles from the Uniform Division of the Secret Service drive by the International Monetary Fund (IMF) building, Aug. 1, 2004, in Washington D.C. The federal government warned of possible terrorist attacks against "iconic" financial institutions in New York City, Washington and Newark, N.J., naming the IMF as one of the targets.
Metropolitan Police provide security in front of the World Bank building, background, Aug. 1, 2004, in Washington. The federal government warned of possible terrorist attacks against "iconic" financial institutions, saying a confluence of chilling intelligence in recent days pointed to a car or truck bomb. The government named the World Bank as one of the targets.
Security person George Milian stands watch Aug. 1, 2004, outside the New York Stock Exchange, named by the federal government as a possible target of a terrorist attack.
Passersby are seen outside the New York Stock Exchange Aug. 1, 2004.
A man with a child on his shoulders walks past the New York Stock Exchange Aug. 1, 2004.
A helicopter carrying sightseers prepares to land at the West 30th St. heliport in New York Aug. 9, 2004. American law enforcement agencies are being warned that al Qaeda might use helicopters and limousines as new vehicles for terror attacks.
The Citicorp Building in Manhattan is seen in this photo, Aug. 1, 2004. The federal government warned of possible terrorist attacks against "iconic" financial institutions in New York City, Washington and Newark, N.J., saying a confluence of intelligence over the weekend pointed to a car or truck bomb.
A police officer from the Hercules Unit patrols the perimeter of the Citicorp Building in Manhattan Aug. 1, 2004.
Police officers from the Hercules Unit patrol the perimeter of the Citicorp Building in New York Aug. 1, 2004.
Security was increased at the Prudential Financial building in Newark, N.J., Aug. 1, 2004, after it was named as a specific terrorist target, along with the Citicorp building and the New York Stock Exchange in New York City, and the International Monetary Fund and the World Bank buildings in Washington.
A police officer questions a pizza delivery man outside the entrance to the Prudential Financial building in Newark, N.J., Aug. 1, 2004, after federal authorities warned of a possible terrorist attack there.
A security guard looks through a window at the Prudential Financial building in Newark, N.J., Aug. 1, 2004, after federal authorities warned of a possible terrorist attack.
Police officers with assault rifles guard the entrance to the Prudential Financial building in Newark, N.J., Aug. 1, 2004.