This is one of the best articles I have read in a while. It covers how Pakistan captured multiple individuals on the FBI’s most wanted list – responsible for millions of dollars of toll fraud and International Revenue Sharing Fraud (IRSF). It also covers some of their techniques. Toll fraud/IRSF isn’t sexy, but it is definitely a way to make money.
http://www.ibtimes.com/inside-story-how-pakistan-took-down-fbis-most-wanted-cybercriminal-1860808