Mechanical engineer Gene Johnson joins host Andy Steele on 9/11 Free Fall to talk about his recent WTC 7 presentation to members of the Longview, Texas, branch of the ASCE, and share the reactions of his audience when they were confronted with scientific evidence and eyewitness accounts that they had never been exposed to before.

"We know they lied — now what are we going to do about it?" — ASCE engineer

Johnson belongs to AE911Truth's Project Due Diligence, whose volunteer engineers deliver powerful presentations to grassroots organizations, including the branches of professional engineering associations, all over the country.