Project Paperclip - Nazi

"Secret Agenda: The United States Government, Nazi Scientists, and Project Paperclip, 1945–1990" by Linda Hunt (1991). 

 This book is a meticulously researched exposé by investigative journalist Linda Hunt on how U.S. officials systematically imported over 1,600 German scientists, engineers, and technicians many ardent Nazis with war crime ties after WWII, in direct violation of President Truman's directives and American policy.

https://openlibrary.org/works/OL4456504W/Secret_agenda