Purdue University’s student newspaper The Exponent is reporting that the popular social network site Facebook is being used by campus police as an investigative tool into student activities and behavior. University police officers are being trained on the use and navigation of the Facebook site to aid with investigations.

With the growing popularity of Web 2.o and its many blogs and social network sites like Facebook and MySpace, social web sites and blogs are fast becoming a common tool for law enforcement and legal investigations.