As it becomes increasingly clear that many within Suadi Arabia's royal family were complicit in the 9/11 terrorist attacks, some Saudis are attempting to disprove the accusations, with accusations of their own.
According to a paper published in the Middle East country, it wasn't the Saudis that were responsible for the terrorist attacks, it was the United States government. This allegation isn't suggesting that the U.S. caused the terrorist attack, either. They're saying that the American government carried it out themselves.
See the paper's accusations on the next page: