Wired's Threat Level blog compiles their list of the top 7 technology-aided crimes of 2008: The Seven Best Capers of 2008
The list is quite a humorous read.
Some of the crimes are caused by the silliness of the affected business, so it almost seems mean to prosecute the criminal :)
Disclaimer The opinions expressed herein are my own personal opinions and do not represent my employer's view in any way.