Burned-out Magirus-Deutz furniture mover van near Chełmno extermination camp, type used by the Nazis for suffocation, with the exhaust fumes diverted into the sealed rear compartment were the victims were locked in. This particular van had not been modified, as explained by Office of the United States Chief Counsel for Prosecution of Axis Criminality (1946),[1] nevertheless, it gives a good idea about the process.