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. Last Updated: 07/27/2016

Did Agent Betray Wallenberg?

STOCKHOLM, Sweden -- A Soviet double agent may have betrayed Swedish diplomat Raoul Wallenberg, who saved thousands of Hungarian Jews from Nazi death camps in World War II, a researcher said.

Swedish author Wilhelm Agrell said his study of secret service correspondence in Swedish and Soviet archives led him to believe Wallenberg, who was arrested by Soviet secret police in Hungary in January 1945, was turned in by a friend, Vilmos Bohm.

Agrell said in the Swedish daily Dagens Nyheter that the archives show Bohm was a Soviet double agent codenamed Orestes who may have told the Soviets of Wallenberg's activities.

A Swedish government report in March said Wallenberg and Bohm both worked undercover for Britain and the United States, with Bohm acting as a middleman in Stockholm.

"If Bohm reported to his Soviet employers what he reported to his superiors in the British delegation, Raoul Wallenberg was betrayed and the fate he met no longer appears a mystery," Agrell wrote in the newspaper.

Russia has said Wallenberg was taken to Moscow's Lubyanka prison, where he died in 1947, and acknowledged the diplomat was held by the Soviets for political reasons.

Wallenberg helped thousands of Hungarian Jews escape transport to and near certain death in Nazi Germany's concentration camps by issuing them Swedish passports.

A Hungarian, Bohm spent the war years in Sweden posing as a Social Democrat and political refugee. He was later Hungary's ambassador to Sweden.

Wallenberg's fate has been an unsolved mystery and critics have said Sweden has made little effort to find out the truth.