Brazil’s Justice Minister José Eduardo Cardozo pledged on Wednesday to punish any investigators found to have broken the law by using unauthorized bugs or leaking documents to the press while probing corruption at state-run oil firm Petrobras.
The landmark probe that has jailed powerful engineering executives and implicated dozens of politicians is coming under scrutiny for lengthy pre-trial detentions and other aggressive tactics some lawyers say flout the law.
Brazil Energy Insight 
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