Clarence Smith, who attended both Chemawa Indian School in Oregon and the Flandreau Indian School in South Dakota, poses for a portrait in Thornton, Colorado, U.S., June 18, 2021. REUTERS/Kevin Mohatt

Clarence Smith, who attended both Chemawa Indian School in Oregon and the Flandreau Indian School in South Dakota, poses for a portrait at his home in Thornton, Colorado, U.S., June 18, 2021. REUTERS/Kevin Mohatt

Clarence Smith, who attended both Chemawa Indian School in Oregon and the Flandreau Indian School in South Dakota, poses for a portrait at his home in Thornton, Colorado, U.S., June 18, 2021. REUTERS/Kevin Mohatt

Clarence Smith, who attended both Chemawa Indian School in Oregon and the Flandreau Indian School in South Dakota, poses for a portrait in Thornton, Colorado, U.S., June 18, 2021. REUTERS/Kevin Mohatt

Clarence Smith, who attended both Chemawa Indian School in Oregon and the Flandreau Indian School in South Dakota, looks at a picture of one of his ancestors, Old Man Owl Child, whom he says was a victim of the Baker Massacre in the late 1800s in Thornton, Colorado, U.S., June 18, 2021. REUTERS/Kevin Mohatt

A view of the U.S. Supreme Court in Washington, U.S., June 1, 2021. REUTERS/Erin Scott

Roderick Dupris, descendant of a Lakota killed at Wounded Knee, speaks to Brad Upton (L), descendant of the commander of the Wounded Knee massacre, during a meeting on the Cheyenne River reservation in Eagle Butte, South Dakota, November 6, 2019. Upton traveled to the reservation to apologize for the actions of his great grandfather who was the commander of the massacre that happened in 1890. Picture taken November 6, 2019 REUTERS/Stephanie Keith

Manny Iron Hawk, descendant of a Lakota killed at Wounded Knee, introduces Brad Upton (L), descendant of the commander of the Wounded Knee massacre, during a meeting on the Cheyenne River reservation in Eagle Butte, South Dakota, November 6, 2019. traveled to the reservation to apologize for the actions of his great grandfather who was the commander of the massacre that happened in 1890. Picture taken November 6, 2019 REUTERS/Stephanie Keith

Brad Upton (L), descendant of the commander of the Wounded Knee massacre, speaks to Debbie Day, descendant of a Lakota killed at the Wounded Knee massacre, on the Cheyenne River reservation in Bridger, South Dakota, November 7, 2019. Upton traveled to the reservation to apologize for the actions of his great grandfather who was the commander of the massacre that happened in 1890. REUTERS/Stephanie Keith

Descendant of the Lakotas killed at the Wounded Knee massacre gather at a community building on the Cheyenne River reservation in Bridger, South Dakota, November 7, 2019. REUTERS/Stephanie Keith

Brad Upton (C), descendant of the commander of the Wounded Knee massacre, shakes the hand of Lakota people during a meeting on the Cheyenne River reservation in Eagle Butte, South Dakota, November 6, 2019. Upton traveled to the reservation to apologize for the actions of his great grandfather who was the commander of the massacre that happened in 1890. Picture taken November 6, 2019 REUTERS/Stephanie Keith

Descendant of the Lakotas killed at the Wounded Knee massacre gather at a community building while a person displays photos of an ancestor on the Cheyenne River reservation in Bridger, South Dakota, November 7, 2019. REUTERS/Stephanie Keith

Paul Sideman (L) stands with a trickle of blood on his arm after a flesh taking ceremony while Brad Upton (C), descendant of the commander of the Wounded Knee massacre, shakes the hand of Lakota people during a meeting on the Cheyenne River reservation in Eagle Butte, South Dakota, November 6, 2019. Upton traveled to the reservation to apologize for the actions of his great grandfather who was the commander of the massacre that happened in 1890. Picture taken November 6, 2019 REUTERS/Stephanie Keith

Brad Upton (2nd L), descendant of the commander of the Wounded Knee massacre, speaks with Manny Iron Hawk (L), descendant of a Lakota killed at Wounded Knee, while covered in a ceremonial Lakota star quilt during a meeting on the Cheyenne River reservation in Eagle Butte, South Dakota, November 6, 2019. Upton traveled to the reservation to apologize for the actions of his great grandfather who was the commander of the massacre that happened in 1890. Picture taken November 6, 2019 REUTERS/Stephanie Keith

Manny Iron Hawk, descendant of a Lakota killed at Wounded Knee, is photographed on the Cheyenne River reservation in Eagle Butte, South Dakota, November 7, 2019. REUTERS/Stephanie Keith

Brad Upton (C), descendant of the commander of the Wounded Knee massacre, shakes the hand of a Lakota woman before a meeting on the Cheyenne River reservation in Eagle Butte, South Dakota, November 6, 2019. Upton traveled to the reservation to apologize for the actions of his great grandfather who was the commander of the massacre that happened in 1890. Picture taken November 6, 2019 REUTERS/Stephanie Keith

Brad Upton (L), descendant of the commander of the Wounded Knee massacre, listens to a speech while sitting next to Debbie Day, descendant of a Lakota killed at the Wounded Knee massacre, on the Cheyenne River reservation in Bridger, South Dakota, November 7, 2019. Upton traveled to the reservation to apologize for the actions of his great grandfather who was the commander of the Knee that happened in 1890. REUTERS/Stephanie Keith

Dena Waloki holds the hands of Brad Upton (R), descendant of the commander of the Wounded Knee massacre, on the Cheyenne River reservation in Bridger, South Dakota, November 7, 2019. Upton traveled to the reservation to apologize for the actions of his great grandfather who was the commander of the massacre that happened in 1890. REUTERS/Stephanie Keith TPX IMAGES OF THE DAY

Dena Waloki hugs Brad Upton (R), descendant of the commander of the Wounded Knee massacre, on the Cheyenne River reservation in Bridger, South Dakota, November 7, 2019. Upton traveled to the reservation to apologize for the actions of his great grandfather who was the commander of the massacre that happened in 1890. REUTERS/Stephanie Keith

Dena Waloki gives Brad Upton (R), descendant of the commander of the Wounded Knee massacre, a gift of a traditional necklace on the Cheyenne River reservation in Bridger, South Dakota, November 7, 2019. Upton traveled to the reservation to apologize for the actions of his great grandfather who was the commander of the massacre that happened in 1890. REUTERS/Stephanie Keith

Brad Upton (R), descendant of the commander of the Wounded Knee massacre, looks at photos of Lakota ancestors on the Cheyenne River reservation in Bridger, South Dakota, November 7, 2019. Upton traveled to the reservation to apologize for the actions of his great grandfather who was the commander of the massacre that happened in 1890. REUTERS/Stephanie Keith

Brad Upton (C), descendant of the commander of the Wounded Knee massacre, arrives for a meeting on the Cheyenne River reservation in Eagle Butte, South Dakota, November 6, 2019. Upton traveled to the reservation to apologize for the actions of his great grandfather who was the commander of the massacre that happened in 1890. Picture taken November 6, 2019 REUTERS/Stephanie Keith

Roderick Dupris (with horse) speaks to Brad Upton, descendant of the commander of the Wounded Knee massacre, on the Cheyenne River reservation in Bridger, South Dakota, November 7, 2019. Upton traveled to the reservation to apologize for the actions of his great grandfather who was the commander of the massacre that happened in 1890. REUTERS/Stephanie Keith

A horse is tied up outside of a community building on the Cheyenne River reservation in Bridger, South Dakota, November 7, 2019. REUTERS/Stephanie Keith

Brad Upton (L), descendant of the commander of the Wounded Knee massacre, gives a hug to Roderick Dupris' horse on the Cheyenne River reservation in Bridger, South Dakota, November 7, 2019. Upton traveled to the reservation to apologize for the actions of his great grandfather who was the commander of the massacre that happened in 1890. REUTERS/Stephanie Keith

A Lakota person rides a horse with a sacred staff during a horse ride to meet Brad Upton, descendant of the commander of the Wounded Knee massacre on the Cheyenne River reservation in Eagle Butte, South Dakota, November 6, 2019. Picture taken November 6, 2019 REUTERS/Stephanie Keith

A Lakota person rides a horse with a sacred staff during a horse ride to meet Brad Upton, descendant of the commander of the Wounded Knee massacre on the Cheyenne River reservation in Eagle Butte, South Dakota, November 6, 2019. Picture taken November 6, 2019 REUTERS/Stephanie Keith

A Lakota person rides a horse with a sacred staff during a horse ride to meet Brad Upton, descendant of the commander of the Wounded Knee massacre on the Cheyenne River reservation in Eagle Butte, South Dakota, November 6, 2019. Picture taken November 6, 2019 REUTERS/Stephanie Keith

Lakota riders arrive at the government building where they will meet Brad Upton, descendant of the commander of the Wounded Knee massacre on the Cheyenne River reservation in Eagle Butte, South Dakota, November 6, 2019. Picture taken November 6, 2019 REUTERS/Stephanie Keith

Lakota riders arrive at the government building where they will meet Brad Upton, descendant of the commander of the Wounded Knee massacre on the Cheyenne River reservation in Eagle Butte, South Dakota, November 6, 2019. Picture taken November 6, 2019 REUTERS/Stephanie Keith

A Lakota boy places a sacred staff near a horse's snout during a horse ride to meet Brad Upton, descendant of the commander of the Wounded Knee massacre on the Cheyenne River reservation in Eagle Butte, South Dakota, November 6, 2019. Picture taken November 6, 2019. REUTERS/Stephanie Keith TPX IMAGES OF THE DAY

Brad Upton, descendant of the commander of the Wounded Knee massacre, arrives for a meeting on the Cheyenne River reservation in Eagle Butte, South Dakota, November 6, 2019. Upton traveled to the reservation to apologize for the actions of his great grandfather who was the commander of the Wounded Knee massacre that happened in 1890. Picture taken November 6, 2019. REUTERS/Stephanie Keith

Charles Norman Shay, 94, a Penobscot Native American Indian WWII veteran, poses as he attends an interview with Reuters in Saint-Laurent-sur-Mer, near Omaha Beach, France, May 18, 2019. Picture taken May 18, 2019. REUTERS/Christian Hartmann

Charles Norman Shay, 94, a Penobscot Native American Indian WWII veteran, poses as he attends an interview with Reuters in Saint-Laurent-sur-Mer, near Omaha Beach, France, May 18, 2019. Picture taken May 18, 2019. REUTERS/Christian Hartmann

Charles Norman Shay, 94, a Penobscot Native American Indian WWII veteran, poses as he attends an interview with Reuters in Bretteville l'Orgueilleuse, France, May 18, 2019. Picture taken May 18, 2019. REUTERS/Christian Hartmann

Charles Norman Shay, 94, a Penobscot Native American Indian WWII veteran, poses as he attends an interview with Reuters in Saint-Laurent-sur-Mer, near Omaha Beach, France, May 18, 2019. Picture taken May 18, 2019. REUTERS/Christian Hartmann

Charles Norman Shay, 94, a Penobscot Native American Indian WWII veteran, poses holding a picture of his mother Florence as he attends an interview with Reuters in Bretteville l'Orgueilleuse, France, May 18, 2019. Picture taken May 18, 2019. REUTERS/Christian Hartmann

Charles Norman Shay, 94, a Penobscot Native American Indian WWII veteran, poses holding an eagle feather in a basket made by his mother Florence as he attends an interview with Reuters in Bretteville l'Orgueilleuse, France, May 18, 2019. Picture taken May 18, 2019. REUTERS/Christian Hartmann

Charles Norman Shay, 94, a Penobscot Native American Indian WWII veteran, poses as he attends an interview with Reuters in Saint-Laurent-sur-Mer, near Omaha Beach, France, May 18, 2019. Picture taken May 18, 2019. REUTERS/Christian Hartmann

Charles Norman Shay, 94, a Penobscot Native American Indian WWII veteran, poses as he attends an interview with Reuters in Saint-Laurent-sur-Mer, near Omaha Beach, France, May 18, 2019. Picture taken May 18, 2019. REUTERS/Christian Hartmann

Charles Norman Shay, 94, a Penobscot Native American Indian WWII veteran, poses holding an eagle feather as he attends an interview with Reuters in Bretteville l'Orgueilleuse, France, May 18, 2019. Picture taken May 18, 2019. REUTERS/Christian Hartmann

Charles Norman Shay, 94, a Penobscot Native American Indian WWII veteran, poses as he attends an interview with Reuters in Saint-Laurent-sur-Mer, near Omaha Beach, France, May 18, 2019. Picture taken May 18, 2019. REUTERS/Christian Hartmann

Charles Norman Shay, 94, a Penobscot Native American Indian WWII veteran, poses as he attends an interview with Reuters in Bretteville l'Orgueilleuse, France, May 18, 2019. Picture taken May 18, 2019. REUTERS/Christian Hartmann

Charles Norman Shay, 94, a Penobscot Native American Indian WWII veteran, poses showing his decorations including the Silver Star medal as he attends an interview with Reuters in Bretteville l'Orgueilleuse, France, May 18, 2019. Picture taken May 18, 2019. REUTERS/Christian Hartmann

A high school basketball coach speaks to his team before a game on the Cheyenne River Reservation in Eagle Butte, South Dakota, U.S. January 26, 2019. Picture taken January 26, 2019. REUTERS/Stephanie Keith

The landscape is pictured at sunset on the Cheyenne River Reservation in Eagle Butte, South Dakota, U.S. January 27, 2019. Picture taken January 27, 2019. REUTERS/Stephanie Keith

Mahto In the Woods rides his horse on top of a hill on the Cheyenne River Reservation in Green Grass, South Dakota, U.S. January 27, 2019. Picture taken January 27, 2019. REUTERS/Stephanie Keith

Cattle are driven across a snowy field on the Cheyenne River Reservation in Eagle Butte, South Dakota, U.S. January 26, 2019. Picture taken January 26, 2019. REUTERS/Stephanie Keith

A young boy sits in his family home on the Cheyenne River Reservation in Eagle Butte, South Dakota, U.S. January 26, 2019. Picture taken January 26, 2019. REUTERS/Stephanie Keith

Tracy Lawrence (R), 51, a furloughed Bureau of Indian Affairs worker, holds his grandson while attending a high school basketball game on the Cheyenne River Reservation in Eagle Butte, South Dakota, U.S. January 26, 2019. Picture taken January 26, 2019. REUTERS/Stephanie Keith

Shirley Dupris sits in her bedroom on the Cheyenne River Reservation in Eagle Butte, South Dakota, U.S. January 26, 2019. Picture taken January 26, 2019. REUTERS/Stephanie Keith

A cheerleader stops to talk with some spectators while attending a high school basketball game on the Cheyenne River Reservation in Eagle Butte, South Dakota, U.S. January 26, 2019. Picture taken January 26, 2019. REUTERS/Stephanie Keith

A sign is seen inside of a food distribution center on the Cheyenne River Indian Reservation in Eagle Butte, South Dakota, U.S. January 25, 2019. Each month, people living on the reservation who meet certain economic qualifications receive a monthly package of commodities, a program funded by the federal government. Picture taken January 25, 2019. REUTERS/Stephanie Keith

Beatrice Looking Horse (R) eats a meal with one of her granddaughters at home on the Cheyenne River Reservation in Green Grass, South Dakota, U.S. January 26, 2019. Picture taken January 26, 2019. REUTERS/Stephanie Keith

A woman and a child sit inside of a car on the Cheyenne River Indian Reservation in Eagle Butte, South Dakota, U.S. January 25, 2019. Picture taken January 25, 2019. REUTERS/Stephanie Keith

A worker places packaged food onto a counter inside of a food distribution center on the Cheyenne River Indian Reservation in Eagle Butte, South Dakota, U.S. January 25, 2019. Each month, people living on the reservation who meet certain economic qualifications receive a monthly package of commodities, a program funded by the federal government. Picture taken January 25, 2019. REUTERS/Stephanie Keith

Two people enter the Cheyenne River Heath Center on the Cheyenne River Indian Reservation in Eagle Butte, South Dakota, U.S. January 24, 2019. The Cheyenne River Heath clinic is administered by the Indian Health Services. Picture taken January 24, 2019. REUTERS/Stephanie Keith

Lynn Provost stands in front of her trailer on the Cheyenne River Indian Reservation in Eagle Butte, South Dakota, U.S. January 25, 2019. Provost lives in a FEMA trailer that was issued to her after her other trailer was destroyed by a tornado. Picture taken January 25, 2019. REUTERS/Stephanie Keith

Roderick Dupris sits in the waiting area of the Tribal offices waiting to speak to the Chairman of the Cheyenne River Reservation in Eagle Butte, South Dakota, U.S., January 24, 2019. Dupris had just received a land grant but could not move forward with it because of the government shutdown. Picture taken January 24, 2019. REUTERS/Stephanie Keith

Roderick Dupris stands in front of his mother's house on the Cheyenne River Reservation in Eagle Butte, South Dakota, U.S. January 24, 2019. Picture taken January 24, 2019. REUTERS/Stephanie Keith