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In 1985 Ernst Zündel a German pamphleteer and publisher living in Canada The Leuchter report is a document authored by American execution technician Fred A. Leuchter who was commissioned by Ernst Zundel to defend him at his trial in Canada for distributing Holocaust denial material. Leuchter compiled the report in 1988 with the intention of investigating the feasibility of mass homicidal gassings at Nazi extermination camps, specifically at Auschwitz. He traveled to the camp collected multiple pieces of brick from the remains of the crematoria.
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