New WTC Collapse Video Analysis

Some will find of interest my clip regarding J.
Marx Ayres, former member of the California Seismic Safety Commission
and former member of the National Institute of Sciences Building Safety
Council. His recent comment was that:

“Steven Jones’ call for a ‘serious investigation’ of the hypothesis
that the WTC 7 and the Twin Towers were brought down, not just by
impact damage and fire, but through the use of pre-positioned
“cutter-charges” must be the rallying cry for all building design
experts to speak out.”