Reply To: 9/11 Building 7 UAF engineering report continued. Latest News › Forums › Discussion Forum › 9/11 Building 7 UAF engineering report continued. › Reply To: 9/11 Building 7 UAF engineering report continued. April 29, 2020 at 18:07 #52713 Clark SA, do you know of any systematic reviews yet of the lab escape versus wild origin theories? Any idea how many papers address this?