Osama bin Laden was immediately blamed, but despite promises to provide a dossier on bin Laden's guilt, the USA never provided any dossier, and 9/11 was not explicitly listed by the FBI as a crime for which he was a suspect. Bin Laden himself denied any responsibility and advised America to search for the culprits inside the USA.
But it turns out that a shady group called The Project for a New American Century had called for "a new Pearl Harbor" to provoke a series of wars on nations like Iraq and Iran. And guess what? On 9/11 PNAC were in charge of the US military which was mysteriously, and also conveniently for PNAC, AWOL which allowed those hijacked passenger planes to eventually kill nearly 3000.
America and most of the world was outraged and decided to invade Afghanistan in pursuit of bin Laden, but the real motive for invading Afghanistan was to restore the opium harvests that the Taliban had almost eradicated.
Shortly after 9/11, General Wesley Clark was informed of a plan for war and regime change in seven countries in five years. Afghanistan was not one of them. The seven countries named to Clark were Iraq, Iran, Syria, Lebanon, Libya, Sudan, and Somalia, none of whom were involved in 9/11 in any way whatsoever.
So why were these nations targeted?
All are enemies of the US-Israel-Saudi axis-of-evil.
Put this together with the fact that PNAC was strongly Zionist and most of the alleged 9/11 hijackers were Saudis, and the apparent stand down on 9/11, and the facts that bin Laden required regular kidney dialysis due to Marfan Syndrome yet the coalition-of-the-willing could not find him (clue : he died in December 2001), and that the opium harvests were quickly restored to record levels, and we have the basis for a massive, massive conspiracy.
Of the seven nations named to Clark, all but one have experienced war and/or regime change.
That nation is Iran.
The Saudis did 9/11.
The Saudis unleashed the Jihadis in 2011.
Iran didn't do 9/11.
Iran is fighting the Jihadis.
So what does Infopervs' guy Bomber Trump do and want to do?
He signs a $350 billion weapons and defence deal with the Saudis.
And he wants regime change in Iran!!
Bomber Trump is The-Continuity-of-Agenda President.
Ignore the DC circus of Russiagate.
Bomber Trump is bombing and/or droning Iraq, Syria, Yemen, Somalia and Afghanistan.
He has increased the pivot to Asia by installing the THAAD system in South Korea and increased the US naval presence off the coast of China.
And he wants regime change in Iran.
Speaking to the House Foreign Affairs Committee yesterday, Secretary of State Rex Tillerson was asked about whether or not the Trump Administration’s policy is one of trying to impose regime change on Iran. While Tillerson insisted that the specifics of administration policy on Iran are still under development, he did confirm that the goal remains regime change.
[source : Tillerson: US Working for Regime Change in Iran, AntiWar, http://news.antiwar.com/2017/06/15/tillerson-us-working-for-regime-change-in-iran/, 15th June 2017]