Ex-Deutsche Bank Trader Says U.K. Questioning Taints Case

  • Gavin Black is charged with helping rig Libor benchmark
  • Ruling against prosecution could derail trial set for June
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A former Deutsche Bank AG trader said he shouldn’t have to face a criminal trial in the U.S. over allegations of Libor-rigging because he was coerced in the U.K. into making statements that implicated him.

Gavin Black claims the U.S. case is fatally tainted by a U.K. investigation in which he was forced to testify -- evidence that can’t be used in an American courtroom because of the Constitution’s ban on compelled testimony. Separately, he’s seeking to prevent prosecutors from relying on statements he made in a Deutsche Bank internal investigation, claiming the government was effectively in control of the probe and that he had no choice but to answer questions while employed at the bank.