Kill Americans, excellent, kill Israeli's, even better. Kill Saudi's and that's against Sharia law:

BY televising the destruction caused by a car bomb at the Saudi General Security Services building in Riyadh, Saudi authorities have taken the right step. Showing such scenes on TV is the only way to convince Saudis of the crimes being committed by terrorists who kill innocent people against the rules of Sharia. Let the Saudi people see for themselves how terrorism is claiming the lives of innocent people in Fallujah, Basra and now in Riyadh. Saudi security authorities must use this as a tool to fight terrorism. They must highlight the terrorists thirst for blood. Now that they don't have political targets, these terrorist are killing innocent Saudis which proves they are averse to stability and security.

...Terrorism no longer has any specific objective. Although the Americans left Saudi Arabia a long time ago, terrorists have chosen to target innocent Saudis, who offer prayers five times a day and live in Riyadh, the capital of Saudi Arabia, and not in Washington.

Emphasis mine. I'd say the House of Saud is shitting their robes at this point. How could Muslim's, especially the carefully cultivated Saudi Wahhabist type, attack Muslims. Frankenstein's monster is loose and GWB is the only guy with the balls to stop it.