I should have pointed out that Dan McCrum, the British Financial Times journalist who uncovered the scandal, has a book out about it: Money Men: A Hot Startup, A Billion Dollar Fraud, A Fight for the Truth.
If the New Yorker article which astounded me also astounds you, the full story is available in your local bookstore.*
Please, please do not buy it from Amazon. Take your fingers off the keys, get away from your apps, leave your house and locate a bookstore. There will be one in your neighborhood. Walk there, take a bus there, take a subway there.