reconstruct it virtually our goal is to figure out why it collapsed late in the afternoon on september eleventh two thousand and one even though it was not hit by in their mind the investigation conduct fire expert or specialist in another field or just an r narry citizen we want your participation we are making all of our data available online every aspect of our process regarding the modeling will be shared and we will be giving regular updates from the lab as we continue our work join us in getting to the bottom of why world trade center seven collapsed on september eleventh two thousand and one constant vigilance by us us citizens of the united states is required to protect this constitution and our democracy going sure that our legal institutions multiple wars where enormous cost in human lives with trillions of dollars spent and with no end in sight the war on terrorism been described as an endless war in which the enemy and not even be clearly identified let alone defeated at the core of the war on terror is the official narrative about nine eleven the aftermath of nine eleven as well as not only an endless string of war but also an unprecedented government intrusion into our privacy as a result of nine eleven we have been living and our william nightmare our democratic form of government and the critical checks and balances against the abuse of power provided in our constitution and risk like never before one would think our leaders were making every effort to solve the crimes of nine eleven rather than enduring a f and independent investigation and adjudication of the crimes of nine eleven the official investigation as been described by astute observers as a highly orchestrated  served in the official investigation complain of major roadblocks and limitations imposed on them and brain language it was a coverup rather i'm sure you are necessary part of solving a crime is to examine the forensic evidence but i bet some of you are not know that over the last fifteen years professional in the fields of science architecture and formed to address this exact problem after two years of analysis data judging and planted a lawyers committee is ready to implement a carefully planned strategy to achieve the goals  preparing and filing a petition for a federal grand jury and pursuing civil lawsuits including the lawsuits under the freedom of information freedom of information act is perhaps the most powerful official nine eleven narrative that has cost us so much and money lives international respect and prestige and our constitutional rights just as important this is our with the lawyers committee for nine eleven encourage we now have a team of experienced lawyers dedicated to pick up where previous investigations left off and do the work that i expect will have truly historic consequences i'm pleased to announce proudly agreed to serve on this board of directors your donations are critically important lawyers committees attorneys researchers and investigators have been donating their time a new executive director is donating twelve months of his tie what's required is your support we are asking for your tax deductible donations right social framework for the sake of future generations together we can reestablish the united states as a great nation preserve our democratic republic and restore our standing in the world to go into a greater effort to understand what couldn't have happened in this building or its destruction i'd like to bring up one of the top forensic structural engineers in the country from the university of alaska a professor leroy wholes a structural engineer p h d professor h good afternoon which is no ok good afternoon it's a pleasure to be here today and thank you all for giving me the opportunity to be here under forensic structural engineer up above it says las vegas nevada that's not true fairbanks alaska it's true so so one to just kind of give you a little bit of an insight of who i am and and kind of give you  some background before i get into the presentation i'm actually also a license structural engineer i have been business some forty years worked on as an expert you know i have news of america building the united nations building the dean dallman north carolina and a number of other structures around the country so what i'm bringing to this presentation is the fact that i've done a lot of work on structural investigations at fires on high rise buildings in particular steel structures so that being said let me take you to this first slide and focus your attention on to the blue outline and we're looking at the plan view of the floor thirteen columns seventy nine is not identified there but you see columns seventy six and seventy eight and if you remember that picture of the building falling a moment ago that if we rotate this one hundred eighty degrees and put the blue on the left and the stuff on the right that blue area represents the nests is proxima sion of connections for this building the portion on the left of this plan if you they chose not to put any of the connections and to the end to their finite element model which indicates that the section to is when you heat up a bar the bar is going to try to elongate and it will last a long gate without resistance no matter what unless there's some place that's different than another if it's roof fixed on one end and free on the other it's going to move to the right imagining fix being on your lap and if i was to put fixed on your right and free on your left it would expand to your left now if i fix it on both ends it can literally terror itself apart with a fairly low temperature so here's the situation on this building when this model that they did not model it correctly because there are connections everywhere and so that means part of this building was treated more stiff than the other parts and if you remember when you saw the thing come down what happened is part of the building was coming down differently than the other part that should have given a clue right away that's not what really happen take a look at this picture right here see that red line down the left part is where they model the connections the right part they did not this so the left part when it starts to fall i coming down fairly rapidly but the right part is really really stiff and so it's not anywhere simulating what really happened in the real building so that immediately should have told them that this model that they were trying to use to argue that fire brought this building down was wrong right away and from the first time i saw this i was wondering what the world is wrong with this model and it wasn't until a few weeks ago fide the real cost of this you know and that's through this process because we've modeled every connection so let's examine the nist approach for a moment they've said there's more than five and a half inches of movement at border to push it off the bearing and so that column was no longer resist their well you can imagine that that being real real stiff on one side the amount of movement that was occurring was going to accumulate over that length whereas actually the more stiffer part is near column seventy nine it didn't move hardly at all so the issues that led to that five and a half inch movement primarily were due to the fact that they didn't model the connections properly and there's some question in my mind about even in the place where they did mala connections they were not connected and properly sub structured within the model itself and i realize i may be using words that you're not familiar with and i apologize for that but what i'm really trying to say is that in the real structure they had bolts and they had these connections putting beams to girders and so forth and on part of their spin on part of their model they didn't include those on the other part that they attempted to we that we did everywhere so they also  the issues that led to the five have them an inch is a movement and more it was actually more than that was they treated the new non composite the girders as non composite and the words what they did when they looked at the thermal expansion they didn't through the concrete slab it that was totally wrong they separated the connection modeling that was wrong they missed the white flame stiffeners that was wrong so so giving you kind of a comparative narrative of what we did versus what they did for framing steel connections were addressed by using the word springs that basically there's some resistance to the bolt in the and and and how that is resisting movement up and down and there's some resistance rotation and all that kind of stuff we address that in these connectors so i in this table you'll see they did it partially another words over part of the floor system we did it everywhere the floor composite with beams we included we said they were composite we also said they were not composite we run one to look at all extremes to make a comparison between whether we could simulate what they did or not the floors with composite beams and girders were examined by us yes not by them and by the way by the way i think you can imagine that even if they were not composite the the concrete deck is fairly heavy it's going to be setting on the beams and the girders and so to slide the concrete with respect to the steel there's a lot of friction and so that's going to take a huge amount of effort to to make that happen to slide without those two working together and our knowledge the shows that that couldn't have happened the thermal expansion the concrete deck was included by us it was not by them they're more conductive an expansion for the material properties we included what we believe to be the aggregate that was used in the construction and the area type is significantly effects the thermal conductivity and the thermal expansion of the concrete so we try to make sure that we had and let me that also share with you that we we had a quality control program on every single day we my students my ph d my doctoral graduate and my ph d student we nee every single day we talk about what we've done we try it we criticize each other's effort we make sure that we can justify every piece on typically and then and so as part of this we use two different computer fin programs two different ones and we did that for a reason we cross checked each other's work through the through looking at each other's models and then we also ran them using two different programs one of these gave us  eight or ten very specific think that they didn't do or that they did incorrectly based on your own professional judgment do you think that that falls within the realm of simple incompetence or do you believe that this demonstrates a pattern that is so gross that it had to have been done intentionally i i you know i don't know the answer that a i don't know how anybody could think that this was a cover up and know anything about final months another structure engineering to think that they could get away with that right but if they were one of your ph d students submitted this to you would you have flunked them yes right so my answer to you today is that the fire did not bring this building down thank thank you all for giving me the of this particular building failing with the data with regard to the specific fire a scale one hundred how probable do you think it is or how possible do you think it is that this building could have collapsed because it simply because the fire zero with my we action to which you had to say it is say is of course and in fact is soon as you were given the problem of trying to the study you know why this building went down it seems like you didn't really need to do anything you could look at the video and seen and come to a conclusion at that time isn't that wouldn't you agree that that's true i would agree that th knew that there was something wrong with that computer model ok i did not know what ak i did not know whether it was a fire related issue or not aren't what i'm asking you is you knew that that was controlled demolition since you saw it the first time i can't say that and i won't even say that yet today ok so so you are allowing for the possibility that that building came down as a result of something other than controlled demolition is that what you're saying but what i said approach from day one when i took th is that i may not be able to tell you what brought it down but i'll tell you what didn't bring it down ok so i'm not it seems to me that it's obvious simply from looking at the video that that's controlled demolition dan rather didn't make that up of the you know because he was being creative he was reacting to his knowledge of why and his use of these things happening for as many times  and i want to know if that was not your state of mind when you took on this problem let me let me let me be very clear i have i have a requirement to put away whatever my feelings might be and present to you pure science on what we're going to end up with so we're not done with this what we're going to look at are all a lot of possible scenarios that may bring this building down including pulling out columns as we move forth and the next few months i will be able to tell you when i get through this process a lot more about this issue and then it will be based on a science answer new york city two thousand and one no tall building had ever collapsed primarily due to fire but that's exactly what investigators believe happened to the forty seven story world trade center building seven on september eleventh according to a three year comprehensive building and fire safety investigation just completed by the national institute of standards and technology or nist use a controlled demolition on any building concerning the attacks of september the eleventh my name is peter michael katcher i was born and raised in wisconsin i spent much of my life in the high performance and scientific computing world i worked at nist for fourteen years starting in  seventy i initially joined the high performance systems and services division and a few years later was moved into the mathematical and computational sciences division i also was chair of a bar applied mathematics seminar series hosted that for several years this is next the national institute of standards and technology in the united states standards setting is led by industry but missed plays a critical role in supporting the finding collapses that of course happened on nine eleven ranking member hall and members of the committee thank you for this opportunity to testify on this role in the investigation into the collapse of the world trade center towers i was not involved in those investigations or writing those reports but i was certainly aware that that research study was going on nist role as i understand it was to investigate the collapses of the three world trade center towers and by that i mean towers one two and seven and determine why they had collapsed the collapse of these towers was the worst building disaster into human history engineers emergency responders in the nation did not anticipate and were largely unprepared for such a catastrophe i began to look into this in july of two thousand and sixteen it actually came up in a conversation with a friend that i had known for thirty years and she mentioned something along the lines of gee do you realize there is some growing evidence that the official nine eleven narrative may not be quite what we all thought it was i didn't do anything for about a month i think i just let it sink in but in the middle of august i felt very compelled to start investigating and in a very short amount of time it became clear to me nist investigation of the collapse of the world trade centers was not a sincere and genuine study and i quickly became furious first i was furious with myself i couldn't believe that i had not noticed this before how could i how could i have not noticed this for the last fifteen years and that fury then quickly transferred to nist my former employer who i had always thought very highly of and always felt that misted research of the highest integrity so to see what they had done witness to done with the world trade cent geisha and report left me stunned good morning i'm here to summarize the findings from our three year study of the collapse or world trade center building seven before i tell you what we found i'd like to tell you what we did not find we did not find any evidence that explosives were used in the collapse of building seven we ran down detail computer simulations of blas what became immediately obvious to me was that there was overwhelming evidence that all three of those towers one two and seven collapsed due to controlled demolition and the nist reports focused almost entirely on reasons due to fire and the associated plane crashes and jet fuel what we found was that uncontrolled building fires caused an extraordinary event the collapse of world trade center seven was primarily due to fires what i saw was that the most likely cause controlled demolition was not investigated at all in fact it was dismissed in one or two sentences within the this is the first time that we're aware on that a building over seven to fifteen stories strong has collapsed primarily due to fire what is special about building seven and i think why it has gotten as much attention is because it wasn't hit by a plane so that cannot be used as a reason for why the building collapse now did have some fires they weren't terribly notable fires they were rather modest in my opinion and to complicate matters even more there was an obvious for knowledge on the part of some people that seem to know that this building was going to come down that building right there the brown building the tall one is number seven world trade center some reports from several different officers now that that is the building that is going to go down next in fact one officer told me they're just waiting for that to come down at this point rescue workers push people away from the s now all these stories are not compatible you cannot have a heavily built steel frame high rise collapse due to modest fires if that were the case it would be extremely and extremely unusual for that happened so unusual that you could not possibly predict when or if it was going to happen at the same time you have people more or less waiting for it to come down and in some cases they had reported it had collapsed before it actually did we are getting information now that one of the other buildings building seven in the world trade center complex is on fire and is either collapse or is collapsing and we've got some news just coming in actually the to the salomon brothers building in new york hope because this whole downtown area behind me has been completely sealed off and evacuated apart from the emergency workers that was done by the mayor rudy giuliani the point is that building is heavily built there would be no reason it would be taken down we knew from the beginning of our study that understanding what happened to building seven to nine eleven would be difficult it did not fit any textbook example that you could  readily point to and say yes that's why the buildings fell i believe there is a quote at one point that the nist investigators said something along the lines they were having trouble getting a handle on why building seven had collapsed missed us and how did this is extremely competent so for to have missed be baffled by the collapse of a building that had only modest fires and exhibits every characteristic of controlled demolition if they say they were coming up empty handed and can figure it out that's not believable nist put forward a model for the collapse of building seven that appears to me that they were grabbing at straws our study has identified thermal expansion as a new phenomenon that can cause the collapse of a structure for the first time we have shown that fire can induce a progressive collapse now when i was a kid and many people today are probably too young for this but there was a cartoonist called rube goldberg seas mousy of course this is the stuff from oz because he must be used for the next wave it was meant to spoof that aspect of human nature that sometimes makes things far more complicated than they need to be and these were called rube goldberg seven sounds like a rube goldberg device you could have that are here that are restrained from expanding prevent it from expanding because of this column here for example and  and you see an example of a buckled beam right here one one column slides off of it seat and a few particular floors and within a matter of moments there is some chain reaction like a set of dominoes that brings the building entirely down it is possible that you could have a local failure as well as a result of a connection failing but the likelihood of that failure dragging the entire building in such a fashion that all the columns would fail at the same time is an impossible in possibility yes and you can see on the screen the column at the very right is column seventy nine and that's the columns that first buckles causing the floors to come down followed by a quick succession of failures of adjoining columns steel framed buildings don't do that it doesn't happen it's just fantasyland here's a structural model showing the building collapsing which matches quite quite well with the video of the event go by and is being brainwashed to believe that the emperor has a beautiful set of clothes on when actually he's wearing nothing but underwear now what we see in the nist model first they only play the first few seconds of it we only see a little bit of the building beginning to collapse it is extremely atypical to build a computer model and create an animation that model and to show only the first part of it why not follow through to the end where's the end and what we do see doesn't match what we saw in reality video of the collapse of building seven show same or how they accomplished and you don't know one of the things i noticed in this investigation reports is this fixation on collapse initiation as if all that was required was to investigate up until the point that the collapses initiate now there's a lot of part of a story than that in fact that stopping just when it's getting interesting but missed makes a one or two sentence summary along the lines of and then the building collapsed completely charged with finding out the cause of the collapse and we found what happened i think we've scientifically demonstrated what was required  to investigate only up to collapse and this year in it is only doing the heart of the story and leaving out a great deal maybe that something fell off the building it may be that something has fallen we we don't know to be perfectly honest but that is what you're looking at is the current that's the scene at this moment at the world trade center stand dealer for a b c s good morning america who's down in the general vicinity day can you tell us what has just happen if the top of the building became unstable due to the weakening of columns one would reasonably expect the top of the building to start to and start to creak connections start to break and the top of the building would simply fall off to the side and come crashing down on the buildings next door and the rest of the tower would remain that's what one would expect instead we saw something quite different not reasonable to think that the weakening of some columns near the impact zone could somehow lead to an entire building collapsing entirely down on itself symmetrically into its own footprint  with nothing left but bits of dust it's not plausible that's not reasonable watch some of the videos of the collapse and look for several things look for sudden very difficult to get something to elapse symmetric because it is the law of physics that things tend towards chaos collapsing symmetrically represents order very strict order it is not the nature of physics to gravitate towards order for no reason it will gravitate towards chaos it is very difficult to get a building to collapse monsters on it took months to prepare the structure for the place where the explosive charges months you have two hundred ten story office films you don't find a desk you don't find a chair you don't find a telephone a computer the biggest piece of a telephone i found was half of the keep it and it was about this big the building collapsed to dust and they might also look at those videos to see the explosive nature this not fly off to the side hundreds of feet due to gravity gravity works vertically not laterally there has to be a force pushing it to the side otherwise why didn't issue a report that seems to do everything it can to avoid investigating the most likely cause in this case being controlled demolition why words perhaps they were pressured i don't know where that coercion or pressure might have come from but it is not typical it is not typical of an ist to do anything many of the people who work there this is a really good position and they have a lot that is not all that hard begin to pressure people to make offers they can't refuse course then and depending on the person or people involved that can be anywhere from very subtle to very overt the best i can do is speculate that something of that type happened we conducted a study without bias without interference from anyone and dedicated ourselves to do the very best job we could and in fact i would suggest that to the public should really at this point recognize the science is really behind what we have said yes so why didn't i see it i think the painful truth is that i was living in blindness ignorance as to what it actually happened i didn't give it much thought i heard the official narrative and like many people i believe am ashamed to say that but that's the truth once i took a look at it it leapt out at me with it wasn't this was not a case of some subtle it's complacency they have a sense of white might be going on but they're maybe not too interested in putting the effort in the find help and there could be others that have a very strong sense of what they think is going on but they are ri they are the reason that i have spoken out about this is very simple i spoke out because i believe it was the right thing to do i have no other motive it would be nice at this point if someone who is currently a new employee would also speak out but that is up to each individual there to there is a good chance that that unraveling will continue and perhaps accelerate but it could be highly volatile if it does continue to unravel i think there could be some very painful that will be very hard for a country to accept our war on terror begins with our can but it does not in there it will not end until every terrorist group of reach has been found stopped and defeated and i don't in any way make light of those that could be could be very americans should not expect one battle but a link the campaign unlike any other we have ever seen but the wounds of nine eleven have remained and healed for too long and they are festering and rotting and they are infected when you have a warrant on the body one of the first things you do is you wash it out with hot soapy water and you bandage it up and yeah it hurts hurts while you're watching it stings the sharp pain but you get the bandage which we wash out the words of nine eleven that they can begin true healing