Documents show law firm at centre of Panama Papers leak carried on doing business with companies after learning of their real owners
The law firm at the centre of the Panama Papers leak acted for an Iranian oil company that had been blacklisted by the US, the documents reveal.
Mossack Fonseca realised it was working for Petropars Ltd in 2010 only when another client accidentally fell foul of the US sanctions that had been imposed on the energy firm.
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