A sign is displayed in an unmarked Serious Fraud Office vehicle parked outside a building, in Mayfair, central London

 
A sign is displayed in an unmarked Serious Fraud Office vehicle parked outside a building, in Mayfair, central London
A sign is displayed in an unmarked Serious Fraud Office vehicle parked outside a building, in Mayfair, central London March 9, 2011. REUTERS/Andrew Winning