Ahead of the Paris Olympics in July and August, French prosecutors are working on four probes into possible wrongdoing, but are the investigations a sign of problems or of genuine efforts to tackle graft?
Andy Spalding, an academic and author who studies corruption in sporting "mega-events" such as the Olympics or soccer's World Cup, believes French authorities are showing they are serious about delivering a clean Games.
Three preliminary investigations are into possible favoritism in the awarding of around 20 contracts worth tens of millions of euros, while a fourth is scrutinizing the pay of chief organizer Tony Estanguet.
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