Part 6 of a series reassessing the documentary record behind the 1933 Magenta narrative. TL;DR McGregor was a real OSS project: Italian fleet negotiations, weapons specialists, and torpedo countermeasures have an archival trail. The often-cited Roll 114 pages are an index of correspondence, not the correspondence itself. Christopher Sharp reports that three anonymous sources link McGregor to Magenta intelligence. That allegation is separate from what the index establishes. Einstein’s surround...