Elveden is the Metropolitan Police's inquiry into allegations of the illegal passing on of information by public officials to journalists.

BBC: New Scotland Yard sign

In recent years criticism of banking secrecy has centred on the risk of money laundering, the practice of disguising funds from illegal sources by passing them through secret accounts until their origins can no longer be traced.

ECONOMIST: Filthy lucre is out, clean lucre is in

ENVIRONMENTALISTS, scouring Cambodia's jungles for evidence of illegal logging, ask a passing farmer where trees are being cut down.

ECONOMIST: Just chopping it down