Per an examiner.com article covering an extensive interview with the Dr, the Dr said his source heard it from somebody ELSE in the military.
Said source had left the military.
So its one step removed, unless the Dr’s source also ran across a questionnaire or other means of asking.
If anyone wants the link, I can FRmail it.
"The Dr." does have extensive background in China, so I found his discussions of China and its relation with (and reservations about) Øbozo to be interesting.
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I had never heard of Jim Garrow until my wife shared (on Facebook) the article in my prior post. So, some FReepers may be ahead of me on the "Jim Garrow crediblity curve". That's fine with me; at 75, I'm not yet too old to welcome a new learning experience.