Reviewing the FBI vault files; my wife noticed something I missed. A man named Gordon Lindsay.

Gordon Lindsay's connection to the North Fox Island child pornography ring comes through his interaction with the island's proprietor, Francis "Frank" Shelden.

​He was interviewed by the FBI as part of the investigation into the activities on North Fox Island in the mid-1970s.
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Lindsay admitted to the FBI that he had visited North Fox Island. He also reportedly admitted to obtaining child sexual abuse material (CSAM) from Francis Shelden. (A bunch of magazines and reels of tape).

​Lindsay's cooperation with authorities corroborated the evidence regarding the operation of the child pornography ring run by Shelden under the guise of "Brother Paul's Children's Mission."

This act of cooperation likely let him off the hook, as I cannot find any additional information on him.