Hunting the President: Threats, Plots and Assassination Attempts--From FDR ... - Mel Ayton - Google Books

https://books.google.de/books?id=JpK1AwAAQBAJ&pg=PA239&dq=The+Obama+Deception+film&hl=de&sa=X&ved=0ahUKEwi97bDsv6HRAhWDuBoKHcKOC

In American history, four U.S. Presidents have been murdered at the hands of an assassin. In each case the assassinations changed the course of American history.But most historians have overlooked or downplayed the many threats modern presidents have…