A demonstrator in a KKK hood takes part in a protest against U.S. immigration policies outside the U.S. embassy in Mexico City, Mexico, June 21, 2018. REUTERS/Gustavo Graf

A woman takes a picture of a demonstrator in KKK hood during a protest against U.S. immigration policies outside the U.S. embassy in Mexico City, Mexico, June 21, 2018. REUTERS/Gustavo Graf

A demonstrator in a KKK hood takes part in a protest against U.S. immigration policies outside the U.S. embassy in Mexico City, Mexico, June 21, 2018. REUTERS/Gustavo Graf

Tami Sawyer, a Black Lives Matter organizer in Memphis who is joining a wave of women across the country running for office as she attempts to win a city council seat, meets potential voters at a barroom event called Nerdnite where she talked about her experience removing a statue to KKK founder Nathan Bedford Forrest, in Memphis, Tennessee, U.S. March 29, 2018. Picture taken March 29, 2018. REUTERS/Jonathan Ernst SEARCH "MLK ERNST" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

Tami Sawyer, a Black Lives Matter organiser, who is running for election to sit on city council, meets potential voters at a bar room event called Nerdnite where she talks about her experience removing a statue of KKK founder Nathan Bedford Forrest (pictured), in Memphis, Tennessee, U.S., March 29, 2018. REUTERS/Jonathan Ernst SEARCH "MLK ERNST" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

Memphis Coalition of Concerned Citizens hold a rally where the statue of Confederate general and early member of the Ku Klux Klan (KKK), Nathan Bedford Forrest, stands over his grave in Health Sciences Park in Memphis, Tennessee, U.S. August 19, 2017. Picture taken August 19, 2017. REUTERS/Karen Pulfer Focht TPX IMAGES OF THE DAY

The statue of Confederate general and early member of the Ku Klux Klan (KKK), Nathan Bedford Forrest, stands over his grave in Health Sciences Park in Memphis, Tennessee, U.S. August 18, 2017. Picture taken August 18, 2017. REUTERS/Karen Pulfer Focht

Police detain protesters during a rally demanding for the removal of the statue of Confederate general and early member of the Ku Klux Klan (KKK), Nathan Bedford Forrest, that stands over his grave in Health Sciences Park in Memphis, Tennessee, U.S. August 19, 2017. Picture taken August 19, 2017. REUTERS/Karen Pulfer Focht

Memphis Coalition of Concerned Citizens hold a rally where the statue of Confederate general and early member of the Ku Klux Klan (KKK), Nathan Bedford Forrest, stands over his grave in Health Sciences Park in Memphis, Tennessee, U.S. August 19, 2017. Picture taken August 19, 2017. REUTERS/Karen Pulfer Focht

Police detain protesters during a rally demanding for the removal of the statue of Confederate general and early member of the Ku Klux Klan (KKK), Nathan Bedford Forrest, stands over his grave in Health Sciences Park in Memphis, Tennessee, U.S. August 19, 2017. Picture taken August 19, 2017. REUTERS/Karen Pulfer Focht

Police detain protesters during a rally demanding for the removal of the statue of Confederate general and early member of the Ku Klux Klan (KKK), Nathan Bedford Forrest, stands over his grave in Health Sciences Park in Memphis, Tennessee, U.S. August 19, 2017. Picture taken August 19, 2017. REUTERS/Karen Pulfer Focht

Memphis Coalition of Concerned Citizens hold a rally where the statue of Confederate general and early member of the Ku Klux Klan (KKK), Nathan Bedford Forrest, stands over his grave in Health Sciences Park in Memphis, Tennessee, U.S. August 19, 2017. Picture taken August 19, 2017. REUTERS/Karen Pulfer Focht

Justin Bailey of Memphis, joins the Memphis Coalition of Concerned Citizens as they hold a rally where the statue of Confederate general and early member of the Ku Klux Klan (KKK), Nathan Bedford Forrest, stands over his grave in Health Sciences Park in Memphis, Tennessee, U.S. August 19, 2017. Picture taken August 19, 2017. REUTERS/Karen Pulfer Focht

Memphis Coalition of Concerned Citizens hold a rally where the statue of Confederate general and early member of the Ku Klux Klan (KKK), Nathan Bedford Forrest, stands over his grave in Health Sciences Park in Memphis, Tennessee, U.S. August 19, 2017. Picture taken August 19, 2017. REUTERS/Karen Pulfer Focht

Memphis Coalition of Concerned Citizens hold a rally where the statue of Confederate general and early member of the Ku Klux Klan (KKK), Nathan Bedford Forrest, stands over his grave in Health Sciences Park in Memphis, Tennessee, U.S. August 19, 2017. Picture taken August 19, 2017. REUTERS/Karen Pulfer Focht

Police detain rallygoers during the Memphis Coalition of Concerned Citizens rally where the statue of Confederate general and early member of the Ku Klux Klan (KKK), Nathan Bedford Forrest, stands over his grave in Health Sciences Park in Memphis, Tennessee, U.S. August 19, 2017. Picture taken August 19, 2017. REUTERS/Karen Pulfer Focht

Memphis Coalition of Concerned Citizens hold a rally where the statue of Confederate general and early member of the Ku Klux Klan (KKK), Nathan Bedford Forrest, stands over his grave in Health Sciences Park in Memphis, Tennessee, U.S. August 19, 2017. Picture taken August 19, 2017. REUTERS/Karen Pulfer Focht

Memphis Coalition of Concerned Citizens hold a rally where the statue of Confederate general and early member of the Ku Klux Klan (KKK), Nathan Bedford Forrest, stands over his grave in Health Sciences Park in Memphis, Tennessee, U.S. August 19, 2017. Picture taken August 19, 2017. REUTERS/Karen Pulfer Focht

Memphis Coalition of Concerned Citizens hold a rally where the statue of Confederate general and early member of the Ku Klux Klan (KKK), Nathan Bedford Forrest, stands over his grave in Health Sciences Park in Memphis, Tennessee, U.S. August 19, 2017. Picture taken August 19, 2017. REUTERS/Karen Pulfer Focht

Memphis Coalition of Concerned Citizens hold a rally where the statue of Confederate general and early member of the Ku Klux Klan (KKK), Nathan Bedford Forrest, stands over his grave in Health Sciences Park in Memphis, Tennessee, U.S. August 19, 2017. Picture taken August 19, 2017. REUTERS/Karen Pulfer Focht

Memphis Coalition of Concerned Citizens hold a rally where the statue of Confederate general and early member of the Ku Klux Klan (KKK), Nathan Bedford Forrest, stands over his grave in Health Sciences Park in Memphis, Tennessee, U.S. August 19, 2017. Picture taken August 19, 2017. REUTERS/Karen Pulfer Focht

Memphis Coalition of Concerned Citizens hold a rally where the statue of Confederate general and early member of the Ku Klux Klan (KKK), Nathan Bedford Forrest, stands over his grave in Health Sciences Park in Memphis, Tennessee, U.S. August 19, 2017. Picture taken August 19, 2017. REUTERS/Karen Pulfer Focht

The statue of Confederate general and early member of the Ku Klux Klan (KKK), Nathan Bedford Forrest, stands over his grave in Health Sciences Park in Memphis, Tennessee, U.S. August 17, 2017. Picture taken August 17, 2017. REUTERS/Karen Pulfer Focht

A police officer looks on from his vehicle near the statue of Confederate general and early member of the Ku Klux Klan (KKK), Nathan Bedford Forrest, which stands over his grave in Health Sciences Park in Memphis, Tennessee, U.S. August 17, 2017. Picture taken August 17, 2017. REUTERS/Karen Pulfer Focht

A police vehicle is pictured near the statue of Confederate general and early member of the Ku Klux Klan (KKK), Nathan Bedford Forrest, which stands over his grave in Health Sciences Park in Memphis, Tennessee, U.S. August 17, 2017. Picture taken August 17, 2017. REUTERS/Karen Pulfer Focht

The statue of Confederate general and early member of the Ku Klux Klan (KKK), Nathan Bedford Forrest, stands over his grave in Health Sciences Park in Memphis, Tennessee, U.S. August 17, 2017. Picture taken August 17, 2017. REUTERS/Karen Pulfer Focht

The statue of Confederate general and early member of the Ku Klux Klan (KKK), Nathan Bedford Forrest, stands over his grave in Health Sciences Park in Memphis, Tennessee, U.S. August 17, 2017. Picture taken August 17, 2017. REUTERS/Karen Pulfer Focht

The statue of Confederate general and early member of the Ku Klux Klan (KKK), Nathan Bedford Forrest, stands over his grave in Health Sciences Park in Memphis, Tennessee, U.S. August 17, 2017. Picture taken August 17, 2017. REUTERS/Karen Pulfer Focht

A demonstrator holding a banner with "Trump is a tramp" on it and a half-naked demonstrator with "No Trump, no KKK, no fascist USA" on his body protest against U.S. President Donald Trump in Athens, Greece, January 21, 2017. REUTERS/Michalis Karagiannis

A demonstrator holding a banner with "Trump is a tramp" on it and a half-naked demonstrator with "No Trump, no KKK, no fascist USA" on his body protest against U.S. President Donald Trump in Athens, Greece, January 21, 2017. REUTERS/Michalis Karagiannis

A half-naked demonstrator with "No Trump, no KKK, no fascist USA" on his body protests against U.S. President Donald Trump in Athens, Greece, January 21, 2017. REUTERS/Michalis Karagiannis

Craig Dunn, Republican party chairman for Howard County, Indiana works at his desk in Kokomo, Indiana, U.S. November 1, 2016. “KKK” and other epithets were spray painted on homes, cars and lawn signs supporting Democratic candidates in a Kokomo, Indiana, neighborhood last month (October). Some residents believe the attacks reflect the increasingly hostile political climate created by this year’s presidential campaign. REUTERS/Peter Eisler

“KKK” is shown spray painted on a telephone pole in Kokomo, Indiana, U.S. November 1, 2016. “KKK” and other epithets were spray painted on homes, cars and lawn signs supporting Democratic candidates in a Kokomo, Indiana, neighborhood last month (October). Some residents believe the attacks reflect the increasingly hostile political climate created by this year’s presidential campaign. REUTERS/Peter Eisler

An inflatable Donald Trump balloon featuring him holding a KKK robe, called "Trumpzilla" from Revolution LA stands during the "Politicon" convention in Pasadena, California, U.S. June 25, 2016. REUTERS/Patrick T. Fallon

Attendees walk past an inflatable Donald Trump balloon which features him holding a KKK robe, called "Trumpzilla" from Revolution LA stands during the "Politicon" convention in Pasadena, California, U.S. June 25, 2016. REUTERS/Patrick T. Fallon

A protestor holds up a sign referring to the KKK in the midst of Republican U.S. presidential candidate Donald Trump's campaign rally in New Orleans, Louisiana March 4, 2016. REUTERS/Layne Murdoch Jr.

"KKK" and a swastika are painted on an abandoned and decaying tenant farmer's, or sharecropper's, house in Moundville, Alabama October 25, 2015. Cotton farmer Shep Morris describes the decaying tenant homes of former farm employees as "scattered throughout the cotton belt and slowly fading away." Fields along the Mississippi River Delta once gleamed white in the autumn with acre upon acre of cotton ready to be picked. This year U.S. farmers planted the fewest acres of cotton since 1983, according to U.S. Department of Agriculture data. REUTERS/Brian Snyder PICTURE 4 OF 28 FOR WIDER IMAGE STORY "THE LEGACY OF 'KING COTTON' IN THE AMERICAN SOUTH" SEARCH "KING COTTON" FOR ALL IMAGES

Frazier Glenn Cross, 74, a former senior member of the Ku Klux Klan, talks to the Johnson County District Judge Kelly Ryan (not pictured) during his sentencing hearing in Johnson County District Court in Olathe, Kansas October 10, 2015. A judge on Tuesday denied a request for a new trial and prepared to decide whether a white supremacist convicted of shooting three people to death at two Jewish centers in Kansas last year should be sentenced to death. REUTERS/Joe Ledford/The Kansas City Star/Pool

Frazier Glenn Cross, 74, a former senior member of the Ku Klux Klan, listens during his sentencing hearing in Johnson County District Court in Olathe, Kansas October 10, 2015. A judge on Tuesday denied a request for a new trial and prepared to decide whether a white supremacist convicted of shooting three people to death at two Jewish centers in Kansas last year should be sentenced to death. REUTERS/Joe Ledford/The Kansas City Star/Pool

Frazier Glenn Cross, 74, a former senior member of the Ku Klux Klan, reacts during his sentencing hearing in Johnson County District Court in Olathe, Kansas October 10, 2015. A judge on Tuesday denied a request for a new trial and prepared to decide whether a white supremacist convicted of shooting three people to death at two Jewish centers in Kansas last year should be sentenced to death. REUTERS/Joe Ledford/The Kansas City Star/Pool

Frazier Glenn Cross, 74, a former senior member of the Ku Klux Klan, speaks during his sentencing hearing in Johnson County District Court in Olathe, Kansas October 10, 2015. A judge on Tuesday denied a request for a new trial and prepared to decide whether a white supremacist convicted of shooting three people to death at two Jewish centers in Kansas last year should be sentenced to death. REUTERS/Joe Ledford/The Kansas City Star/Pool

Frazier Glenn Cross, 74, a former senior member of the Ku Klux Klan, speaks during his sentencing hearing in Johnson County District Court in Olathe, Kansas October 10, 2015. A judge on Tuesday denied a request for a new trial and prepared to decide whether a white supremacist convicted of shooting three people to death at two Jewish centers in Kansas last year should be sentenced to death. REUTERS/Joe Ledford/The Kansas City Star/Pool

Members of the Ku Klux Klan yell as they fly Confederate flags during a rally at the statehouse in Columbia, South Carolina July 18, 2015. A Ku Klux Klan chapter and an African-American group planned overlapping demonstrations on Saturday outside the South Carolina State House, where state officials removed the Confederate battle flag last week. REUTERS/Chris Keane? TPX IMAGES OF THE DAY

Jim, (R), a member of the Nordic Order Knights, a group that claims affiliation with the Ku Klux Klan, displays a KKK emblem tattoo in Henry County, Virginia, August 9, 2014. Jim asked that his last name not be used. The Ku Klux Klan, which had about 6 million members in the 1920s, now has some 2,000 to 3,000 members nationally in about 72 chapters, or klaverns, according to the Southern Poverty Law Center, an organization that monitors extremist groups. REUTERS/Johnny Milano

PICTURE 12 OF 34 FOR WIDER IMAGE STORY "INSIDE THE KU KLUX KLAN"
SEARCH "MILANO KKK" FOR ALL PICTURES

A member of the Nordic Order Knights, a group that claims affiliation with the Ku Klux Klan, tries on his hood a day before a cross lighting ceremony in Henry County, Virginia, August 8, 2014. The Ku Klux Klan, which had about 6 million members in the 1920s, now has some 2,000 to 3,000 members nationally in about 72 chapters, or klaverns, according to the Southern Poverty Law Center, an organization that monitors extremist groups. REUTERS/Johnny Milano

PICTURE 14 OF 34 FOR WIDER IMAGE STORY "INSIDE THE KU KLUX KLAN"
SEARCH "MILANO KKK" FOR ALL PICTURES

A confederate flag hangs in the bedroom of a Ku Klux Klan member in Henry County, Virginia, August 9, 2014. The Ku Klux Klan, which had about 6 million members in the 1920s, now has some 2,000 to 3,000 members nationally in about 72 chapters, or klaverns, according to the Southern Poverty Law Center, an organization that monitors extremist groups. REUTERS/Johnny Milano

PICTURE 13 OF 34 FOR WIDER IMAGE STORY "INSIDE THE KU KLUX KLAN"
SEARCH "MILANO KKK" FOR ALL PICTURES

Tom, a member of the Nordic Order Knights, a group that claims affiliation with the Ku Klux Klan, displays his collection of KKK memorabilia in a fellow member's home in Henry County, Virginia, August 9, 2014. Tom asked that his last name not be used. The Ku Klux Klan, which had about 6 million members in the 1920s, now has some 2,000 to 3,000 members nationally in about 72 chapters, or klaverns, according to the Southern Poverty Law Center, an organization that monitors extremist groups. REUTERS/Johnny Milano

PICTURE 11 OF 34 FOR WIDER IMAGE STORY "INSIDE THE KU KLUX KLAN"
SEARCH "MILANO KKK" FOR ALL PICTURES

Security officials, some in riot gear, watch from the sidelines as members of the National Socialist Movement and the Adirondack Fraternity White Knights, a group that claims affiliation with the Ku Klux Klan, hold a rally at a courthouse in Rockwall, Texas, November 8, 2014. The Ku Klux Klan, which had about 6 million members in the 1920s, now has some 2,000 to 3,000 members nationally in about 72 chapters, or klaverns, according to the Southern Poverty Law Center, an organization that monitors extremist groups. REUTERS/Johnny Milano

PICTURE 20 OF 34 FOR WIDER IMAGE STORY "INSIDE THE KU KLUX KLAN"
SEARCH "MILANO KKK" FOR ALL PICTURES

A confederate flag hangs from a barn where members of the Virgil Griffin White Knights, a group which claims affiliation with the Ku Klux Klan, prepare a cross with canvas ahead of a cross lighting ceremony at a private farm in Carter County, Tennessee, July 4, 2015. The Ku Klux Klan, which had about 6 million members in the 1920s, now has some 2,000 to 3,000 members nationally in about 72 chapters, or klaverns, according to the Southern Poverty Law Center, an organization that monitors extremist groups. REUTERS/Johnny Milano

PICTURE 21 OF 34 FOR WIDER IMAGE STORY "INSIDE THE KU KLUX KLAN"
SEARCH "MILANO KKK" FOR ALL PICTURES

Members of the Virgil Griffin White Knights, a group that claims affiliation with the Ku Klux Klan, hold a ceremony for new members at a private farm house in Carter County, Tennessee July 4, 2015. The Ku Klux Klan, which had about 6 million members in the 1920s, now has some 2,000 to 3,000 members nationally in about 72 chapters, or klaverns, according to the Southern Poverty Law Center, an organization that monitors extremist groups. REUTERS/Johnny Milano

PICTURE 22 OF 34 FOR WIDER IMAGE STORY "INSIDE THE KU KLUX KLAN"
SEARCH "MILANO KKK" FOR ALL PICTURES

Jim, (C), a member of the Nordic Order Knights, a group that claims affiliation with the Ku Klux Klan, speaks at a public rally outside a courthouse in Stuart, Virginia, August 9, 2014. Jim asked that his last name not be used. The Ku Klux Klan, which had about 6 million members in the 1920s, now has some 2,000 to 3,000 members nationally in about 72 chapters, or klaverns, according to the Southern Poverty Law Center, an organization that monitors extremist groups. REUTERS/Johnny Milano

PICTURE 16 OF 34 FOR WIDER IMAGE STORY "INSIDE THE KU KLUX KLAN"
SEARCH "MILANO KKK" FOR ALL PICTURES

New inductees of the Virgil Griffin White Knights, a group which claims affiliation with the Ku Klux Klan, kneel during a ceremony for new members at a private farm house in Carter County, Tennessee, July 4, 2015. The Ku Klux Klan, which had about 6 million members in the 1920s, now has some 2,000 to 3,000 members nationally in about 72 chapters, or klaverns, according to the Southern Poverty Law Center, an organization that monitors extremist groups. REUTERS/Johnny Milano

PICTURE 23 OF 34 FOR WIDER IMAGE STORY "INSIDE THE KU KLUX KLAN"
SEARCH "MILANO KKK" FOR ALL PICTURES

Members of the Virgil Griffin White Knights, a group that claims affiliation with the Ku Klux Klan, wrap a cross with canvas ahead of a cross lighting ceremony on a private farm in Carter County, Tennessee, July 4, 2015. The Ku Klux Klan, which had about 6 million members in the 1920s, now has some 2,000 to 3,000 members nationally in about 72 chapters, or klaverns, according to the Southern Poverty Law Center, an organization that monitors extremist groups. REUTERS/Johnny Milano

PICTURE 25 OF 34 FOR WIDER IMAGE STORY "INSIDE THE KU KLUX KLAN"
SEARCH "MILANO KKK" FOR ALL PICTURES

Members of the National Socialist Movement and Adirondack Fraternity White Knights, a group that claims affiliation with the Ku Klux Klan, wave flags while rallying outside a courthouse in Rockwall, Texas, November 8, 2014. The Ku Klux Klan, which had about 6 million members in the 1920s, now has some 2,000 to 3,000 members nationally in about 72 chapters, or klaverns, according to the Southern Poverty Law Center, an organization that monitors extremist groups. REUTERS/Johnny Milano

PICTURE 18 OF 34 FOR WIDER IMAGE STORY "INSIDE THE KU KLUX KLAN"
SEARCH "MILANO KKK" FOR ALL PICTURES

Eric, a member of the Virgil Griffin White Knights, a group that claims affiliation with the Ku Klux Klan, shows off a noose that hangs in the barn of a private farm in Carter County, Tennessee, July 4, 2015. Eric asked that his last name not be used. The Ku Klux Klan, which had about 6 million members in the 1920s, now has some 2,000 to 3,000 members nationally in about 72 chapters, or klaverns, according to the Southern Poverty Law Center, an organization that monitors extremist groups. REUTERS/Johnny Milano

PICTURE 24 OF 34 FOR WIDER IMAGE STORY "INSIDE THE KU KLUX KLAN"
SEARCH "MILANO KKK" FOR ALL PICTURES

A female and male member of the Virgil Griffin White Knights, a group that claims affiliation with the Ku Klux Klan, pose for a photograph in their robes ahead of a cross lighting ceremony at a private farm house in Carter County, Tennessee July 4, 2015. The Ku Klux Klan, which had about 6 million members in the 1920s, now has some 2,000 to 3,000 members nationally in about 72 chapters, or klaverns, according to the Southern Poverty Law Center, an organization that monitors extremist groups. REUTERS/Johnny Milano

PICTURE 29 OF 34 FOR WIDER IMAGE STORY "INSIDE THE KU KLUX KLAN"
SEARCH "MILANO KKK" FOR ALL PICTURES

Jim (R), a member of the Nordic Order Knights, a group that claims affiliation with the Ku Klux Klan, adjusts his hood before holding a public rally outside a courthouse in Stuart, Virginia, August 9, 2014. Jim asked that his last name not be used. The Ku Klux Klan, which had about 6 million members in the 1920s, now has some 2,000 to 3,000 members nationally in about 72 chapters, or klaverns, according to the Southern Poverty Law Center, an organization that monitors extremist groups. REUTERS/Johnny Milano

PICTURE 15 OF 34 FOR WIDER IMAGE STORY "INSIDE THE KU KLUX KLAN"
SEARCH "MILANO KKK" FOR ALL PICTURES

Members of the Rebel Brigade Knights, a group that claims affiliation with the Ku Klux Klan, shake hands before holding a rally in Martinsville, Virginia, October 11, 2014. The Ku Klux Klan, which had about 6 million members in the 1920s, now has some 2,000 to 3,000 members nationally in about 72 chapters, or klaverns, according to the Southern Poverty Law Center, an organization that monitors extremist groups. REUTERS/Johnny Milano

PICTURE 27 OF 34 FOR WIDER IMAGE STORY "INSIDE THE KU KLUX KLAN"
SEARCH "MILANO KKK" FOR ALL PICTURES

A Confederate flag and a flag containing the Ku Klux Klan emblem hang in the background as members of the Nordic Order Knights, a group that claims affiliation with the Ku Klux Klan, prepare a cross with canvas ahead of a cross lighting ceremony in Henry County, Virginia, August 9, 2014. The Ku Klux Klan, which had about 6 million members in the 1920s, now has some 2,000 to 3,000 members nationally in about 72 chapters, or klaverns, according to the Southern Poverty Law Center, an organization that monitors extremist groups. REUTERS/Johnny Milano

PICTURE 26 OF 34 FOR WIDER IMAGE STORY "INSIDE THE KU KLUX KLAN"
SEARCH "MILANO KKK" FOR ALL PICTURES