The Federal Bureau of Investigation’s only remaining files on Hedy Lamarr, the famous actress and scientific inventor, contain no mention of her World War II frequency jamming technology, and instead focus on Lamarr’s attendance at suspicious parties.

A heavily-redacted portion of Ayn Rand’s Federal Bureau of Investigation file documents an investigation into a mysterious screenplay sent to the author. An inventor reached out to Rand, hoping for help in getting the Hollywood treatment for his life’s story. What was in that life story caused her to call the FBI.