Authorities in Indonesia continue their anti-corruption investigation of Innospec.  In the Petrobras case: Politicians are unlikely to be charged soon but construction companies involved in the scandal are expected to be.  Brazilian prosecutors say corruption at Petrobras may be ongoing, seek witnesses in five countries and uncover evidence that Petrobras approved Samsung Drill Ship contracts without a bidding process.  Nortek announces internal FCPA investigation of its Chinese subsidiary.  A Korea Fair Trade Commission official has been charged with bribery for allegedly turning a blind eye in a cartel case.  Singapore plans to step up its anti-corruption enforcement efforts.  German automotive parts and military technology group Rheinmetall admits to bribing Greek officials to buy tanks.  Leaked Sony emails disclose SEC subpoena regarding possible FCPA violations in China.  U.S. regulators are investigating alleged bribes by private equity firms to foreign officials.