 The German title translates to "Nothing but the truth".The German phrase on the US promotional poster translates to "Thou shalt not kill", one of the Ten Commandments.The infamous Nazi doctor Josef Mengele, who performed unethical medical experiments and is considered to be personally responsible for the selection of mass groups of detainees to be murdered in the gas chambers at the Auschwitz concentration camp, comes back from his hideout in Argentina as an 87-year-old man who is in his last days.