The topic on 9/11 conspiracy theories came up in a Facebook thread today. Here are my posts from a discussion thread from Slashdot on this from last year, with a lot of links debunking conspiracy theory arguments. Quoted material is from other Slashdot posters (except as otherwise attributed), see the link for context.
Making multi minute phone calls from 30k ft with 2001 phone tech and no onboard plane phones (I already know its not possible, but would love to see them try)
You know that's not possible? So you tried it, eh? Please, post the details of your experiment.
Getting a 767 sim and attempt to fly the same path as pentagon plane
Why would you try it with a sim for a plane of a different model than the one that hit the Pentagon? Flight 77 (with a former co-worker of mine and his whole family on board) was a 757.
Of course, why let facts get in the way of a good batshit conspiracy theory?
Tom Swiss | the infamous tms | my blog
You cannot wash away blood with blood
why there was NO remainder of anything a passenger plane crash leaves in a crash site, and there were NO bodies, passenger belongings, pieces of bodies, ANYTHING but fairly intact TWO bodies in the scene.
Are you saying there were no bodies, or were you saying there were two?
Allyn E. Kilsheimer, CEO of KCE Structural Engineers (a company involved in providing emergency engineering and post-collapse assistance) said "I held parts of uniforms from crew members in my hands, including body parts."
Of course, once you reach the level of batshitness you've achieved, you can simply ignore his testimony by saying "they got to him too!"
And I'm sure you simply don't accept the claim that the remains of 184 people were identified; surely "they" got to all 102 DNA analysts, sample processors, logistics staff, and administrative personnel at the Armed Forces DNA Identification Laboratory. It's a DOD facility, after all.
Are you saying there was no debris from the plane? That's simply incorrect; hell, you can even see photos of a bunch of it at this batshit conspiracy site. And photos of the plane debris inside the building (where, in answer to your question about the lawn, most of it ended up, in agreement with conservation of momentum) can be seen at this somewhat less batshit crazy site. And some more photos here. And more photos, with amazingly detailed analysis, here
But I'm sure "they" got to the owners of all of those sites.