[Theoria]

'home to both al Hazmi and al Mihdhar leading up to the attacks. '

The Home was owned by a FBI informant who rented out the place to Hazmi and Mihdhar.

[GOPJ]

...close ties between Anwar al Aulaqi, the U.S.-born terrorist assassinated by a U.S. drone in Yemen on September 30, 2011, and Nawaf al Hazmi and Khalid al Mihdhar, two of the five hijackers who attacked the Pentagon on September 11, 2001. In the documents the FBI describes al Aulaqi as “The Spiritual Leader of the Hijackers.”...

The guy deserved to die. He's dead - that's the good news. But we can't use him as an excuse to create a precedent of killing American citizens with drones... Sorry, but emotional causes don't make good law.