Witless Carlyle Group was beneficiary of corrupt system

According to this story in the WaPo,

a Carlyle official who spoke on condition of anonymity because he was not authorized to discuss the matter publicly. [said] "We were the unwitting beneficiaries of a corrupt system.... The $20 million payment is effectively returning some of the economic benefit that unwittingly accrued to us."

What $20 million payment, you ask? According to the story,

The Carlyle Group, one of the world's largest private-equity firms, has agreed to pay $20 million and stop using politically connected operatives to land business with government pension systems around the country....

Go read it, and go figure.