The Denton, Texas Police Department Twitters Arrests (Sort Of)
Visit Their Twitter Here. Put together by a student combining the power of Twitter and public information. Every person arrested is sent out via tweet including the reason for arrest and a picture. It is an extra step of embarrassment for these people, which may act as a deterent.
Other cities are Twittering, just not in this detailed way.
http://twitter.com/Boston_Police
http://twitter.com/ScottsdalePD
http://twitter.com/torontopolice
