Manfred von Richthofen, aka the "Red Baron," was the ... I indicated the second: "Also dead," and his voice sounded harsh. "Ask no further—they are all dead." All dead—except Manfred.

Like the Kennedy assassination, the death of Manfred von Richthofen is clouded by dozens of often conflicting eyewitness accounts and has inspired a mountain of speculative theories. NOVA's "Who ...