http://www.wpherald.com/storyview.php?StoryID=20060225-110611-4227r
Sana Abdallah
"Security analysts say they believe al-Qaida, whose leaders Osama bin Laden and his deputy Ayman al-Zawahiri have been calling for striking against oil installations in the Arab Gulf region, initially knew this operation would not succeed due to the heavy security around the facility. They say al-Qaida more likely wanted to send a message that its fighters were still alive in Saudi Arabia after its operations declined significantly since the security authorities launched a war on the group after a May 2003 triple suicide bomb attack in Riyadh. "