Most Sucessful Nazi interrogator

Hanns-Joachim Schraff was the greatest German interrogator during World War II. He was so skilled that he was nicknamed “The Master” by his peers. He primarily worked with US airmen to extract information from them. His big secret was the fact that he was a very humane man who used kindness and respect for human dignity on everyone he interrogated.

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Schraff wasn’t tried for war crimes when World War II was over, due to his commendable humanity shown to his prisoners. Instead, he was invited by the US military to share his techniques. To this day his techniques are taught and used worldwide.