The 24 people freed included a collection of journalists and political dissidents, suspected spies, a computer hacker and a fraudster.
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.. that we know of
Dec. 8, 2022 - WNBA star Brittney Griner was swapped for convicted Russian arms dealer Viktor Bout, the "Merchant of Death,"
April 2022 - U.S. Marine veteran Trevor Reed was released from Russian custody on April 27, 2022, in exchange for Konstantin Yaroshenko
July 2010 - Ten Russian sleeper agents detained in the U.S. as part of the so-called "Illegals Program" were exchanged for four prisoners held in Russia.
One of the freed Russian prisoners was Sergei Skripal, who was convicted of high treason for working as a double agent for the United Kingdom.
September 1986 - The second of two prisoner exchanges in the year 1986 came after U.S. News & World Report correspondent Nicholas Daniloff was arrested on Sept. 2 and accused of espionage by the KGB. The U.S. believed Daniloff's arrest was in retaliation for the recent capture of Gennadi Zakharov, a Soviet citizen employed at the United Nations in New York City.
February 1986 - Natan Sharansky was the first political prisoner released by then-Soviet leader Mikhail Gorbachev on Feb. 11, 1986. Sharansky was accused of being a U.S. spy. He spent nine years in prison. He and three low-level Western spies were swapped for Czech spies Karl Koecher and wife Hana Koecher, who had been arrested two years earlier in New York City, along with Soviet bloc spies Yevgeni Zemlyakov, Marian Zacharski and Detlef Scharfenorth, held in West Germany, said Reuters
June 1985 - Polish former intelligence officer Marian Zacharski was swapped alongside three other Soviet agents in exchange for 23 Americans held for espionage in Eastern Europe on June 12, 1985. Zacharaski was arrested in 1981 and convicted of espionage. The swap took place after three years of negotiations, Reuters noted.
February 1962 - The first major prisoner swap between the U.S. and the Soviet Union is commonly known as the "Bridge of Spies" exchange. Convicted Soviet spy Rudolf Abel was swapped for American pilot Francis Gary Powers on the Glienicke Bridge on Feb. 10, 1962