This has been online for a while, but I'd missed it up till now. Professor Richard Ellefritz wrote a 300 page University thesis on the 9/11 truth movement and its interactions with various prominent debunkers. Refreshingly, Ellefritz calls a spade a spade and gives the exponents of 9/11 truth a decent amount of time. The whole thesis is online here -

And a very recent interview with Ellefritz is here -