Robert Jenkot says the Klan reached its peak during a surge in immigration in the 1920s, but was weakened by an FBI crackdown in the '60s.
JFK and the Unspeakable: Why He Died and Why It Matters: Douglass
Ku Klux Klan dreams of rising again 150 years after founding
Hate in Our Community: The Modern Day KKK
Ku Klux Klan dreams of rising again 150 years after founding
The KKK Is Still Based in 22 States in the U.S. in 2017
Opinion: Where hate finds safe harbor, accountability is the
The Hate Report: The KKK is packing up its hoods - Reveal
Inside a KKK murder plot: Grab him up, take him to the river
Proud Boys, Oath Keepers, QAnon: Their status two years after Jan. 6