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Mark Allen
Mark Allen is a former federal attorney from the US Citizenship and Immigration Services in the Department of Homeland Security. He left USCIS in 2021 after forty-one years of federal service, having advised USCIS management on a wide range of federal administrative law areas.
Allen is also a long-time student of the JFK Presidency. To tell Judith Exner's story, he conducted thirty years of independent research in archives and institutions across the country.
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