Part 17 of a series reassessing the documentary record behind the 1933 Magenta narrative. TL;DR: Aztec’s public source trail runs through Scully, Newton and GeBauer; Cahn reported ordinary aluminum in Newton’s alleged saucer sample, and Newton and GeBauer were convicted in an oil-fraud case. Only the 31 March 1950 FBI memo explicitly names Newton; the informant behind Hottel’s 22 March memo remains unidentified. The FBI’s Newton-file description says he revised his claim in 1952, denying firs...