James L. Swanson

James L. Swanson was an American author and historian famous for his New York Times best-seller Manhunt: The 12-Day Chase for Lincoln's Killer, focusing on the biography of John Wilkes Booth and his plot to kill Lincoln and other cabinet members. For this book he earned an Edgar Award. He was a Senior Fellow at the Heritage Foundation and appeared on C-SPAN on behalf of the Koch-affiliated libertarian CATO Institute think tank.

(Source: Wikipedia)