Hanns Scharff captured and exploited and multitude of enemies as a Luftwaffe Warrant officer, specializing in interrogations during World War II. He would turn as pleasant as he could to the captives and his activities include and did not limited itself to going for nature walks without armed guards, cooking, telling funny stories, drinking beer and having afternoon tea Parties with Acclaimed German Fighter Aces. His methods and procedures were so successful that they were later adopted in American military interrogation schools.