Abramovich’s close associate misled UK court in £1bn oil-fields case, documents suggest BBCDeloitte helped in falsifying documents to evade tax on Abramovich’s wealth, BBC finds BBCRoman Abramovich aides falsified paperwork to disguise assets and dodge tax, records suggest The GuardianDeloitte’s Cyprus Office Helped Abramovich Firms Relocate Billions in Assets in Apparent Bid to Sidestep Tax and Transparency Organized Crime and Corruption Reporting Project | OCCRPAbramovich’s team presented sham documents to London high court TBIJ