Brazil is reeling from the political corruption scandal involving former President Luiz Inacio Lula da Silva (pictured on the fake bills) and members of the current government.
The headlines are full of stories of corruption and mega scandals, but what does it mean for the rest of us? And what makes the economic cost of corruption so high?
Sigmundur Davíð Gunnlaugsson is refusing to resign.
Polls put the Pirate Party ahead of the already unpopular coalition, making new financial revelations particularly damaging.
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Some of the key questions faced by news organisations before publishing their scoop.
World leaders are meeting in London next month to discuss corruption – what better opportunity to close tax loopholes?
A global collaboration of journalists has revealed massive offshoring of funds linked to some of the world's most powerful people, including Vladimir Putin.