Early accounts stated it was Adnan and Ameer Bukhari who rented the car from Logan Airport Alamo and abandoned it at Portland, not Mohamed Atta. The Bukharis "did get on a plane and fly to Boston", Adnan Bukhari's name reportedly appeared on Flight 11's manifest, and a trail of evidence led investigators to Adnan Bukhari's house.
Within hours of the attacks it was nearly "case closed" that the Bukharis were hijackers of Flight 11, but a couple of simple facts proved their innocence - Ameer Bukhari died in a plane crash in 2000 and Adnan Bukhari is alive.
How did so much evidence initially point to the Bukharis, and how did Adnan Bukhari's name reportedly appear on Flight 11's manifest?
The words "fabricated evidence" spring to mind.
The Bukharis innocence caused a major rethink of Flight 11's hijackers, and this rethink resulted in the implausible scenario of Atta abandoning two rental cars in two airports.