But it is known today that, very soon after the liberation of the camps, American authorities were aware that the real story of the camps was quite
different from the one in which they were coaching military public information officers, government spokesmen, politicians, journalists, and other
When American and British forces overran western and central Germany in the spring of 1945, they were followed by troops charged with discovering and
securing any evidence of German war crimes.
Among them was Dr. Charles Larson, one of America's leading forensic pathologists, who was assigned to the US Army's Judge Advocate General's
Department. As part of a US War Crimes Investigation Team, Dr. Larson performed autopsies at Dachau and some twenty other German camps, examining on
some days more than 100 corpses. After his grim work at Dachau, he was questioned for three days by US Army prosecutors. 
Dr. Larson's findings? In an 1980 newspaper interview he said: "What we've heard is that six million Jews were exterminated. Part of that is a
hoax."  And what part was the hoax? Dr. Larson, who told his biographer that to his knowledge he "was the only forensic pathologist on duty in
the entire European Theater" of Allied military operations,  confirmed that "never was a case of poison gas uncovered." 
Typhus, Not Poison Gas
If not by gassing, how did the unfortunate victims at Dachau, Buchenwald and Bergen-Belsen perish? Were they tortured to death or deliberately
starved? The answers to these questions are known as well.
As Dr. Larson and other Allied medical men discovered, the chief cause of death at Dachau, Belsen and the other camps was disease, above all typhus,
an old and terrible scourge of mankind that until recently flourished in places where populations were crowded together in circumstances where public
health measures were unknown or had broken down. Such was the case in the overcrowded internment camps in Germany at war's end, where, despite such
measures as systematic delousing, quarantine of the sick and cremation of the dead, the virtual collapse of Germany's food, transport, and public
health systems led to catastrophe.
Perhaps the most authoritative statement of the facts as to typhus and mortality in the camps has been made by Dr. John E. Gordon, M.D., Ph.D., a
professor of preventive medicine and epidemiology at the Harvard University School of Public Health, who was with US forces in Germany in 1945. Dr.
Gordon reported in 1948 that "The outbreaks in concentration camps and prisons made up the great bulk of typhus infection encountered in Germany."
Dr. Gordon summarized the causes for the outbreaks as follows: