IIRC, before he was attached to MacArthur’s forces in New Guinea, he was touring front line units, including the unit which got Yamamoto, and I recall reading the testimony of a member of the unit stating that Lindbergh was instrumental in their success in getting Yamamoto (but I can’t remember where I read it).
You read it in the article you linked.http://www.ww2incolor.com/us-air-force/lindbergh01.html