Always the most ponderous of 'truth' theorists, David Ray Griffin has had six of the best, trousers down courtesy of Ryan Mackey.
To quote the author
"....we examine the claims of Dr. David Ray Griffin regarding the NIST investigation into the World Trade Center disasters, and find those claims to be unfounded. All 18 major claims are discussed and rigorously dismissed, and a further analysis of the text reveals an overwhelming density of factual and logical errors."
You can read the full report here.