Kalush and Sloman told NPR that Houdini made friends with a high-ranking official in Scotland Yard named William Melville. At the time, Melville was in charge of England’s foreign intelligence agency, and he endorsed Houdini to go to Germany to act as a spy for the U.S. and British governments.

Houdini spoke German and was not well known in Germany. The authors found that he was sending reports back to England about what he saw on the ground in Germany. He would perform at events like military exercises, in the process getting a good look at the aircraft the Kaiser was getting ready for combat. Some of the reports were extremely important to England’s foreign intelligence service. Melville even wrote about it in his diary: “Received the report from HH, took it straight to the War Office.”

So it appears that the more you look into the life of Harry Houdini, you find that he really was one of the most adept artists of misdirection to have ever walked this Earth. Who knows what else future research into his life’s story will find?