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The Architecture of Murder
f Evans established that Irving had falsified the record, Robert Jan van Pelt established that the
physical record itself — the bricks, the mortar, the chimneys of Auschwitz-Birkenau — was unas-
sailable. Van Pelt, an architectural historian who had spent years studying the camp's built environ-
ment, was the last major witness for the defense, and his testimony became one of the trial's most
dramatic episodes. He took the judge on a virtual tour of the crematoria, explaining their design,
their ventilation systems, their drainage, the blue staining caused by hydrogen cyanide that still
marks the masonry of the gas chambers. The buildings, he showed, were engineered for mass
killing — their "morgues" were placed below ground and fitted with pillars for the introduction of
Zyklon B, their chimneys designed to handle the incineration of thousands of bodies, their air-raid
shelters equipped with nothing that would make them survivable as shelters.
Irving cross-examined van Pelt for days. He produced photographs, asked about the Leuchter Report,
demanded that van Pelt concede that the crematoria were not gas chambers but air-raid shelters or
morgues. Van Pelt, a precise and patient scholar, dismantled each claim with the same tools a foren-
sic architect would use. On the Leuchter Report — the pamphlet that deniers treated as their scien-
tific foundation — van Pelt pointed out that Leuchter had no training as a chemist or engineer, had
visited the site for a matter of hours, and had never examined the relevant documents. The court was
being asked to choose between a mass of documentation, physical evidence, and witness testimony,
on the one hand, and a pamphlet by a man with no credentials, on the other.
The other expert witnesses reinforced the architecture of the defense. Christopher Browning testified
about the documentary record of the mass shootings carried out by the Einsatzgruppen and the
German police battalions — thousands of pages of contemporaneous reports, orders, and statistics,
none of them forged. Peter Longerich traced the radicalization of Nazi policy from persecution to ex-
pulsion to total extermination, showing that the "Final Solution" was not an improvisation but a
carefully managed process. Hajo Funke documented Irving's speeches to far-right audiences, in
which he mocked the Holocaust and urged his listeners to resist the "Jews who control the media."
Jan van der Dussen examined Irving's enthusiastic endorsement of the forged Hitler Diaries in 1983
— an episode in which Irving had vouched for the authenticity of documents that a trained historian
would have recognized as fraudulent within hours.
The cumulative effect was overwhelming. By the time the defense closed its case, the trial had gener-
ated an evidentiary record of extraordinary depth. The question put to the court was not whether the
Holocaust had happened — the court had never doubted it — but whether a man could be called a
"falsifier of history" for a career spent denying it. The evidence, in the end, spoke with a clarity that
would be impossible to escape.
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