One Alleged Leaker From Panama Papers Law Firm is Arrested

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Asked about the report, a spokesman for Claudio Mascotto, the chief prosecutor in Geneva, declined to comment. The spokesman said only that the office had opened a criminal investigation based on a complaint filed by Mossack Fonseca. The employee's name was not made public, and the lawyer did not give his client's name or provide any detail about him.

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Bastian Obermayer, an investigative reporter at Süddeutsche Zeitung who received the original leak on the Panama Papers, said on Wednesday that the man arrested in Geneva was not his source who leaked the documents, but left open the possibility that there might be more than one person behind the leaks.