Before He Spammed You, This Sly Prince Stalked Your Mailbox
krebsonsecurity.com
krebsonsecurity.com
http://www.documentcloud.org/documents/6318484-BEC-Iro-Igbok...
They were doing tons of different kinds of fraud, not just the 419 scam but also hijacking real estate agents email accounts to get people to deposit down payments in fraudulent accounts as well as romance scams on dating sites.
It's amazing there were so many co-defendants involved in this one operation 'ring'.