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.

Mark Allen

Mark Allen

Foreword by

Mark Allen

Edited by