Wolfgang Vogel, East German lawyer and spy trader, was enlisted by the East German government to help free Zehe.Berliner Zeitung: Andreas Förster, "Der Regisseur fuhr im goldfarbenen Mercedes vor," June 12, 1995 , accessed December 8, 2010 Vogel contacted Alan Dershowitz to oversee the legal aspects of the effort and Ronald Greenwald to act as personal liaison between him and Zehe. Dershowitz, seeking to avoid a conflict of interest with his then-client Anatoly Shcharansky, a founder of the Refusenik movement who had been imprisoned in Moscow for allegedly spying for the United States, brought in Harvey A. Silverglate to defend Zehe.Spy Trader, 265
