In January 1945, Wallenberg was arrested by Soviet authorities. He was taken to a prison in Moscow, where he was interrogated and tortured. Wallenberg disappeared in July 1947, and his fate remains unknown. There have been many theories about what happened to Wallenberg, but there is still no definitive answer.
Some believe that Wallenberg died in prison, while others believe that he was executed. It is also possible that Wallenberg was sent to a labor camp or that he was taken to a psychiatric hospital.
Wallenberg's disappearance remains one of the most enduring mysteries of the Holocaust. His courageous efforts to save Jews have been widely praised, and he is considered one of the great heroes of World War II.