911 was an inside Job ?

The September 11, 2001 attacks, known as 9/11, were a series of coordinated terrorist attacks carried out by al-Qaeda against the United States. Four planes were hijacked, two hitting the Twin Towers in New York, one striking the Pentagon, and another crashing in Pennsylvania. Nearly 3,000 lives were lost, making it one of the darkest days in modern history and a turning point in global security and politics.