According to The Exponent a Purdue student was arrested and charged with intimidation with a deadly weapon after his accuser located his picture on the popular social networking site FaceBook.
From the article —
A Purdue Student was charged with a crime Saturday as a result of the assistance of the Facebook.
Justin Vorbroker, a freshman in the College of Engineering, was charged with intimidation with a deadly weapon as a result of an incident that occured Friday night, said Lt. Mike Boesch of the Purdue Police.
According to police reports, at around 10:30 p.m. Friday Vorbroker and several other students were waiting for a bus in front of McCutcheon Residence Hall. Vorbroker began questioning a woman regarding how many animals were used to make the fur collar on her coat and the woman reported Vorbroker exposed a pocket knife and brought it near her face.
The woman reported the incident to the Purdue Police Saturday afternoon after she used www.facebook.com to identify Vorbroker by a photo, Boesch said. Vorbroker was held in Tippecanoe County Jail until Sunday afternoon on charges of intimidation with a deadly weapon.
You can read the entire article @ Facebook aids in arrest after incident.