FILE - Wall Street Journal reporter Evan Gershkovich stands in a defendant's cage in a courtroom in Moscow on April 23, 2024. The 32-year-old journalist faces trial Wednesday, June 26, on espionage charges that he, his employer and the U.S. government deny. (AP Photo/Alexander Zemlianichenko, File)
FILE - U.S. citizen Robert Woodland Romanov, center, is escorted into a defendants’ cage prior to a hearing on drug-related charges in Moscow, Russia, on April 25, 2024. Russian media reported his name matches that of a U.S. citizen interviewed by the Komsomolskaya Pravda newspaper in 2020 in which he said he was born in the Perm region in the Ural Mountains in 1991 and adopted by an American couple when he was 2. (AP Photo/Alexander Zemlianichenko, File)
FILE - U.S. Army Staff Sgt. Gordon Black sits in a defendants’ cage in courtroom in Vladivostok, Russia,on June 6, 2024. The 34-year-old, who is stationed at Fort Cavazos, Texas, was convicted June 19 of stealing and making threats against his girlfriend and sentenced to three years and nine months in prison. He had flown to Russia from his U.S. military post in South Korea to see her and was arrested in May after she accused him of stealing from her, according to U.S. and Russian authorities. (AP Photo, File)
FILE - Ksenia Khavana sits in a defendants’ cage in a court in Yekaterinburg, Russia, on June 20, 2024. Khavana, 33, was arrested in February on treason charges, accused of collecting money for Ukraine's military. Independent Russian news outlet Mediazona identified her as Ksenia Karelina, her maiden name, and said she had U.S. citizenship after marrying an American. She had returned to Russia from Los Angeles to visit family. The rights group Pervy Otdel said the charges stem from a $51 donation to a U.S. charity that helps Ukraine. (AP Photo, File)
This photo combination shows some of the U.S. citizens who are in Russian custody. Clockwise from top left are Wall Street Journal reporter Evan Gershkovich, corporate security executive Paul Whelan, Army Staff Sgt. Gordon Black, a dual U.S.-Russian national Robert Woodland Romanov, Prague-based editor for the U.S. government-funded Radio Free Europe/Radio Liberty's Tatar-Bashkir service Alsu Kurmasheva, and a dual U.S.-Russian national Ksenia Karelina also known as Khavana. (AP Photo)
FILE - Paul Whelan, a former U.S. Marine who was arrested on espionage charges, listens to the verdict in court in Moscow, Russia, on June 15, 2020. The 54-year-old corporate security executive from Michigan was arrested in 2018 in Moscow where he was attending a friend's wedding, convicted two years later of espionage, and sentenced to 16 years in prison. He maintains his innocence, saying the charges were fabricated. (Sofia Sandurskaya, Moscow News Agency photo via AP, File)
FILE - Wall Street Journal reporter Evan Gershkovich, right, is escorted from court in Moscow, Russia, on Jan. 26, 2024. The 32-year-old journalist faces trial Wednesday, June 26, on espionage charges that he, his employer and the U.S. government deny. He was detained in March 2023 while reporting in the city of Yekaterinburg and accused of spying. (AP Photo/Alexander Zemlianichenko, File)
FILE - Alsu Kurmasheva, an editor for the U.S. government-funded Radio Free Europe/Radio Liberty's Tatar-Bashkir service, listens to her lawyer during a court hearing in Kazan, Russia, on May 31, 2024. Kurmasheva, a dual U.S.-Russian national, was arrested in October 2023 in her hometown of Kazan. The Prague-based editor was visiting her ailing mother. She faces multiple charges, including not self-reporting as a "foreign agent" and spreading false information about the Russian military. (AP Photo, File)
FILE - U.S. Army Staff Sgt. Gordon Black is escorted into a courtroom in Vladivostok, Russia, Thursday, June 6, 2024. The 34-year-old, who is stationed at Fort Cavazos, Texas, was convicted June 19 of stealing and making threats against his girlfriend and sentenced to three years and nine months in prison. He had flown to Russia from his U.S. military post in South Korea her and was arrested in May after she accused him of stealing from her, according to U.S. and Russian officials. (AP Photo, File)
FILE – Russian arms dealer Viktor Bout, who was exchanged for WNBA star Brittney Griner, speaks to the media at an opening for an exhibition of his artwork at the Mosfilm studio in Moscow, Russia, on March 7, 2023. The U.S. successfully negotiated high-profile swaps in 2022 for Griner and Marine veteran Trevor Reed — both designated as wrongfully detained. Moscow Bout, who was serving a 25-year sentence, and pilot Konstantin Yaroshenko, serving 20 years for cocaine trafficking. (AP Photo/Alexander Zemlianichenko, File)
FILE - Ksenia Karelina, also known as Khavana sits in a defendants’ cage in a court in Yekaterinburg, Russia, on June 20, 2024. Khavana, 33, was arrested in February on treason charges, accused of collecting money for Ukraine's military. Independent Russian news outlet Mediazona identified her as Ksenia Karelina, her maiden name, and said she had U.S. citizenship after marrying an American. She had returned to Russia from Los Angeles to visit family. The rights group Pervy Otdel said the charges stem from a $51 donation to a U.S. charity that helps Ukraine. (AP Photo, File)
FILE - U.S. citizen Robert Woodland Romanov sits in a defendants’ cage before a court session on drug-related charges in Moscow, Russia, on May 30, 2024. Russian media reported his name matches that of a U.S. citizen interviewed by the Komsomolskaya Pravda newspaper in 2020 in which he said he was born in the Perm region in the Ural Mountains in 1991 and adopted by an American couple when he was 2. (AP Photo/Alexander Zemlianichenko, File)
FILE - WNBA star Brittney Griner is escorted from court after a hearing in Khimki, just outside Moscow, Russia, on Aug. 4, 2022. The U.S. successfully negotiated a swap for Griner and Marine veteran Trevor Reed — both designated as wrongfully detained. Moscow got arms dealer Viktor Bout, who was serving a 25-year sentence, and pilot Konstantin Yaroshenko, serving 20 years for cocaine trafficking. (AP Photo/Alexander Zemlianichenko, File)
FILE - Alsu Kurmasheva, an editor for the U.S. government-funded Radio Free Europe/Radio Liberty's Tatar-Bashkir service, attends a court hearing in Kazan, Russia on May 31, 2024. Kurmasheva, a dual U.S.-Russian national, was arrested in October 2023 in her hometown of Kazan. The Prague-based editor was visiting her ailing mother. She faces multiple charges, including not self-reporting as a "foreign agent" and spreading false information about the Russian military. (AP Photo, File)
FILE - Russian President Vladimir Putin, left, and U.S President Joe Biden shake hands at a meeting in Geneva, Switzerland, on June 16, 2021. Arrests of Americans in Russia have become increasingly common as relations between Moscow and Washington sink to Cold War lows. Some have been exchanged for Russians held in the U.S., while for others, the prospects of being released in a swap are less clear. (AP Photo/Alexander Zemlianichenko, Pool, File)