On May 12, 2003, four car bombs exploded at three different residential compounds in Riyadh, Saudi Arabia. The targeted locations employed and housed a large number of Westerners, specifically American and British citizens. In sum, the attack killed over 20 people, including 8 Americans, and injured nearly 200 individuals. The attack was organized and coordinated by al-Qaida.
The Rewards for Justice program is offering a reward of up to $5 million for information that brings to justice those responsible for these attacks.