People walk past a Russian penitentiary service's officer with a dog near a security checkpoint of the IK-2 corrective penal colony, where Kremlin critic Alexei Navalny serves his jail term, in the town of Pokrov, Russia April 6, 2021. REUTERS/Maxim Shemetov

An officer of a Russian penitentiary service with a dog stands guard near a security checkpoint of the IK-2 corrective penal colony, where Kremlin critic Alexei Navalny serves his jail term, in the town of Pokrov, Russia April 6, 2021. REUTERS/Maxim Shemetov

Anastasiya Vasilyeva, a doctor and ally of Kremlin critic Alexei Navalny, speaks with an officer of a Russian penitentiary service upon her arrival at the IK-2 corrective penal colony, where Navalny serves his jail term, in the town of Pokrov, Russia April 6, 2021. REUTERS/Maxim Shemetov

Anastasiya Vasilyeva, a doctor and ally of Kremlin critic Alexei Navalny, stands next to an officer of a Russian penitentiary service upon her arrival at the IK-2 corrective penal colony, where Navalny serves his jail term, in the town of Pokrov, Russia April 6, 2021. REUTERS/Maxim Shemetov

Anastasiya Vasilyeva, a doctor and ally of Kremlin critic Alexei Navalny, stands next to an officer of a Russian penitentiary service upon her arrival at the IK-2 corrective penal colony, where Navalny serves his jail term, in the town of Pokrov, Russia April 6, 2021. REUTERS/Maxim Shemetov

Law enforcement officers detain a protester during a demonstration in support of Russian opposition leader Alexei Navalny, who was sentenced to three and a half years in jail for violating the terms of his parole, in Saint Petersburg, Russia February 2, 2021. A placard reads: "Mum, I don't like the Federal Penitentiary Service (FSIN)". REUTERS/Anton Vaganov TPX IMAGES OF THE DAY

A participant holds a placard during a demonstration in support of Russian opposition leader Alexei Navalny, who was sentenced to three and a half years in jail for violating the terms of his parole, in Saint Petersburg, Russia February 2, 2021. A placard reads: "Mum, I don't like the Federal Penitentiary Service (FSIN)". REUTERS/Anton Vaganov

A woman walks along a street near the pre-trial detention centre No. 1 of Russia's Federal Penitentiary Service, also known as Matrosskaya Tishina or Sailor's Silence prison, in Moscow, Russia January 21, 2021. REUTERS/Maxim Shemetov

A view shows the pre-trial detention centre No. 1 of Russia's Federal Penitentiary Service, also known as Matrosskaya Tishina or Sailor's Silence prison, in Moscow, Russia January 21, 2021. Russian opposition leader Alexei Navalny is currently held at Matrosskaya Tishina on a 30 day pre-trial detention order for failing to check in with parole authorities over a suspended prison sentence, after he was detained on return from the German capital Berlin. REUTERS/Maxim Shemetov

A view shows the pre-trial detention centre No. 1 of Russia's Federal Penitentiary Service, also known as Matrosskaya Tishina or Sailor's Silence prison, in Moscow, Russia January 21, 2021. Russian opposition leader Alexei Navalny is currently held at Matrosskaya Tishina on a 30 day pre-trial detention order for failing to check in with parole authorities over a suspended prison sentence, after he was detained on return from the German capital Berlin. REUTERS/Maxim Shemetov

A view shows the pre-trial detention centre No. 1 of Russia's Federal Penitentiary Service, also known as Matrosskaya Tishina or Sailor's Silence prison, in Moscow, Russia January 21, 2021. Russian opposition leader Alexei Navalny is currently held at Matrosskaya Tishina on a 30 day pre-trial detention order for failing to check in with parole authorities over a suspended prison sentence, after he was detained on return from the German capital Berlin. REUTERS/Maxim Shemetov

Bill Breeden, an anti-death penalty advocate, protests the execution of Dustin Higgs, outside the United States Penitentiary in Terre Haute, Indiana, U.S. January 15, 2021. Picture taken January 15, 2021. REUTERS/Bryan Woolston

Sister Barbara Battista speaks during an anti-death penalty protest outside the United States Penitentiary in Terre Haute, Indiana, U.S. January 15, 2021. Picture taken January 15, 2021. REUTERS/Bryan Woolston

Anti-death penalty advocate Doug Pagitt speaks during a protest outside the United States Penitentiary in Terre Haute, Indiana, U.S. January 15, 2021. Picture taken January 15, 2021. REUTERS/Bryan Woolston

Anti-death penalty activists gather during a vigil outside the United States Penitentiary in Terre Haute, Indiana, U.S. January 15, 2021. Picture taken January 15, 2021. REUTERS/Bryan Woolston

An anti-death penalty activist holds a sign during a vigil outside the United States Penitentiary in Terre Haute, Indiana, U.S. January 15, 2021. Picture taken January 15, 2021. REUTERS/Bryan Woolston TPX IMAGES OF THE DAY

Yusuf Nur, the spiritual advisor for Dustin Higgs, holds a Koran as he talks about his experiences with Higgs, outside the United States Penitentiary in Terre Haute, Indiana, U.S. January 15, 2021. Picture taken January 15, 2021. REUTERS/Bryan Woolston

Yusuf Nur, the spiritual advisor for Dustin Higgs, holds a Koran as he talks about his experiences with Higgs, outside the United States Penitentiary in Terre Haute, Indiana, U.S. January 15, 2021. Picture taken January 15, 2021. REUTERS/Bryan Woolston

Yusuf Nur, the spiritual advisor for Dustin Higgs, talks about his experiences with Higgs, outside the United States Penitentiary in Terre Haute, Indiana, U.S. January 15, 2021. Picture taken January 15, 2021. REUTERS/Bryan Woolston

Yusuf Nur, the spiritual advisor for Dustin Higgs, talks about his experiences with Higgs, outside the United States Penitentiary in Terre Haute, Indiana, U.S. January 15, 2021. Picture taken January 15, 2021. REUTERS/Bryan Woolston

Abraham Bonowitz, director of Death Penalty Action, speaks at a vigil against the death penalty outside the United States Penitentiary in Terre Haute, Indiana, U.S. January 14, 2021. Picture taken January 14, 2021. REUTERS/Bryan Woolston

An activist in opposition to the death penalty protests during a snowstorm outside of the United States Penitentiary in Terre Haute, Indiana, U.S. January 15, 2021. REUTERS/Bryan Woolston

An activist in opposition to the death penalty protests during a snowstorm outside of the United States Penitentiary in Terre Haute, Indiana, U.S. January 15, 2021. REUTERS/Bryan Woolston

An activist in opposition to the death penalty protests during a snowstorm outside of the United States Penitentiary in Terre Haute, Indiana, U.S. January 15, 2021. REUTERS/Bryan Woolston

An activist in opposition to the death penalty protests during a snowstorm outside of the United States Penitentiary in Terre Haute, Indiana, U.S. January 15, 2021. REUTERS/Bryan Woolston

An activist in opposition to the death penalty protests during a snowstorm outside of the United States Penitentiary in Terre Haute, Indiana, U.S. January 15, 2021. REUTERS/Bryan Woolston TPX IMAGES OF THE DAY

A prison official patrols around the United States Penitentiary in Terre Haute, Indiana, U.S. January 15, 2021. REUTERS/Bryan Woolston

Prison officials patrol around the United States Penitentiary at the Federal Correctional Complex in Terre Haute, Indiana, U.S. January 15, 2021. REUTERS/Bryan Woolston

The United States Penitentiary at the Federal Correctional Complex in Terre Haute, Indiana, U.S. January 15, 2021. REUTERS/Bryan Woolston

A sign marks the federal property line at the United States Penitentiary and Federal Correctional Complex in Terre Haute, Indiana, U.S. January 15, 2021. REUTERS/Bryan Woolston

Activists in opposition to the death penalty gather to protest the execution of Lisa Montgomery, who is scheduled to be the first woman put to death by the federal government in nearly 70 years, at the United States Penitentiary in Terre Haute, Indiana, U.S. January 12, 2021. REUTERS/Bryan Woolston

Activists in opposition to the death penalty gather to protest the execution of Lisa Montgomery, who is scheduled to be the first woman put to death by the federal government in nearly 70 years, at the United States Penitentiary in Terre Haute, Indiana, U.S. January 12, 2021. REUTERS/Bryan Woolston

Activists in opposition to the death penalty gather to protest the execution of Lisa Montgomery, who is scheduled to be the first woman put to death by the federal government in nearly 70 years, at the United States Penitentiary in Terre Haute, Indiana, U.S. January 12, 2021. REUTERS/Bryan Woolston

Activists in opposition to the death penalty gather to protest the execution of Lisa Montgomery, who is scheduled to be the first woman put to death by the federal government in nearly 70 years, at the United States Penitentiary in Terre Haute, Indiana, U.S. January 12, 2021. REUTERS/Bryan Woolston

Activists in opposition to the death penalty gather to protest the execution of Lisa Montgomery, who is scheduled to be the first woman put to death by the federal government in nearly 70 years, at the United States Penitentiary in Terre Haute, Indiana, U.S. January 12, 2021. REUTERS/Bryan Woolston

Activists in opposition to the death penalty gather to protest the execution of Lisa Montgomery, who is scheduled to be the first woman put to death by the federal government in nearly 70 years, at the United States Penitentiary in Terre Haute, Indiana, U.S. January 12, 2021. REUTERS/Bryan Woolston

Activists in opposition to the death penalty gather to protest the execution of Lisa Montgomery, who is scheduled to be the first woman put to death by the federal government in nearly 70 years, at the United States Penitentiary in Terre Haute, Indiana, U.S. January 12, 2021. REUTERS/Bryan Woolston TPX IMAGES OF THE DAY

Activists in opposition to the death penalty gather to protest the execution of Lisa Montgomery, who is scheduled to be the first woman put to death by the federal government in nearly 70 years, at the United States Penitentiary in Terre Haute, Indiana, U.S. January 12, 2021. REUTERS/Bryan Woolston

Activists in opposition to the death penalty gather to protest the execution of Lisa Montgomery, who is scheduled to be the first woman put to death by the federal government in nearly 70 years, at the United States Penitentiary in Terre Haute, Indiana, U.S. January 12, 2021. REUTERS/Bryan Woolston

Activists in opposition to the death penalty gather to protest the execution of Lisa Montgomery, who is scheduled to be the first woman put to death by the federal government in nearly 70 years, at the United States Penitentiary in Terre Haute, Indiana, U.S. January 12, 2021. REUTERS/Bryan Woolston

Activists in opposition to the death penalty gather to protest the execution of Lisa Montgomery, who is scheduled to be the first woman put to death by the federal government in nearly 70 years, at the United States Penitentiary in Terre Haute, Indiana, U.S. January 12, 2021. REUTERS/Bryan Woolston

Activists in opposition to the death penalty gather to protest the execution of Lisa Montgomery, who is scheduled to be the first woman put to death by the federal government in nearly 70 years, at the United States Penitentiary in Terre Haute, Indiana, U.S. January 12, 2021. REUTERS/Bryan Woolston

Activists in opposition to the death penalty gather to protest the execution of Lisa Montgomery, who is scheduled to be the first woman put to death by the federal government in nearly 70 years, at the United States Penitentiary in Terre Haute, Indiana, U.S. January 12, 2021. REUTERS/Bryan Woolston

A general view of the South Dakota State Penitentiary as the coronavirus disease (COVID-19) outbreak continues in Sioux Falls, South Dakota, U.S., October 27, 2020. REUTERS/Bing Guan

The Eastern State Penitentiary, a ballot drop box location for the upcoming presidential election, is illuminated at night in Philadelphia, Pennsylvania, U.S., October 20, 2020. Picture taken October 20, 2020. To match Special Report USA-ELECTION/PENNSYLVANIA REUTERS/Rachel Wisniewski

The Eastern State Penitentiary, a ballot drop box location for the upcoming presidential election, is illuminated at night in Philadelphia, Pennsylvania, U.S., October 20, 2020. Picture taken October 20, 2020. To match Special Report USA-ELECTION/PENNSYLVANIA REUTERS/Rachel Wisniewski

Oregon State Penitentiary is seen after inmates were relocated from three Salem-area prisons while wildfires continue to move across the state of Oregon, in Salem, Oregon, U.S., September 10, 2020. REUTERS/Carlos Barria

Indiana State Troopers block a road leading to the Federal Correctional Institution, Terre Haute, as officials await word about the stay of execution issued for Daniel Lewis Lee, who is convicted in the killing of three members of an Arkansas family in 1996, and would be the first federal execution in 17 years at the United States Penitentiary in Terre Haute, Indiana, U.S. July 13, 2020. REUTERS/Bryan Woolston

A Forensic Service vehicle containing bodies is pictured after six inmates died and two more were injured in a violent brawl in the National Women's Penitentiary for Social Adaptation on the outskirts of Tegucigalpa May 24, 2020. REUTERS/Jorge Cabrera

Forensic technicians are pictured after six inmates died and two more were injured in a violent brawl in the National Women's Penitentiary for Social Adaptation on the outskirts of Tegucigalpa, Honduras May 24, 2020. REUTERS/Jorge Cabrera

A morgue worker carries a bag containing one body after six inmates died and two more were injured in the National Women's Penitentiary for Social Adaptation, at a morgue in Tegucigalpa, Honduras May 24, 2020. REUTERS/Jorge Cabrera

Forensic technicians carry a bag containing one body after six inmates died and two more were injured in a violent brawl in the National Women's Penitentiary for Social Adaptation on the outskirts of Tegucigalpa, Honduras May 24, 2020. REUTERS/Jorge Cabrera

A prison guard stands at the entrance of the penitentiary system "La Modelo" after Nicaragua President Daniel Ortega's government ordered the release of around 2500 prisoners, according to local media, as the spread of the coronavirus disease (COVID-19) continues in Tipitapa, Nicaragua May 13, 2020. REUTERS/Oswaldo Rivas

Inmate Wilfredo Arauz leaves the penitentiary system "La Modelo" after Nicaragua President Daniel Ortega's government ordered the release of around 2500 prisoners, according to local media, as the spread of the coronavirus disease (COVID-19) continues in Tipitapa, Nicaragua May 13, 2020. REUTERS/Oswaldo Rivas

Inmate Wilfredo Arauz leaves the penitentiary system "La Modelo" after Nicaragua President Daniel Ortega's government ordered the release of around 2500 prisoners, according to local media, as the spread of the coronavirus disease (COVID-19) continues in Tipitapa, Nicaragua May 13, 2020. REUTERS/Oswaldo Rivas

The exterior of Cook County Jail in Chicago, Illinois, U.S., April 9, 2020 amid the coronavirus disease (COVID-19) outbreak. REUTERS/Jim Vondruska

The exterior of Cook County Jail in Chicago, Illinois, U.S., April 9, 2020 amid the coronavirus disease (COVID-19) outbreak. REUTERS/Jim Vondruska

A penitentiary police van leaves the Regina Coeli prison, ahead of the trial of two Americans accused of being involved in the killing of a police officer in Rome last year, in Rome, Italy, February 26, 2020. REUTERS/Ciro De Luca

A penitentiary police van leaves the Regina Coeli prison, ahead of the trial of two Americans accused of being involved in the killing of a police officer in Rome last year, in Rome, Italy, February 26, 2020. REUTERS/Ciro De Luca

A Brazilian Army vehicle is pictured outside of the maximum security federal penitentiary in Brasilia, Brazil February 9, 2020. REUTERS/Adriano Machado