Russian court moves US investor Calvey to House Arrest A Moscow court rules to move Michael Calvey, a prominent American investor who has been behind bars since mid-February on controversial fraud charges, from pre-trial detention to house arrest. The move comes after some of Moscow's most powerful figures called on the Kremlin to release him, warning his arrest could discourage the foreign investment Russia's economy badly needs. IMAGES of Michael Calvey leaving the courtroom and SOUNDBITES of Calvey's lawyers