Fighting crime with some good old crowdsourcing
What’s the old saw … two make news, three make a trend?
India police use Facebook to nab traffic violators:
http://www.psfk.com/2010/08/indian-cops-using-facebook-to-monitor-traffic-violations.html - check out the actual photo gallery on the FB page to see the misdeeds: backs of cars speeding through red lights.
Tweets + photo bust T-riding Boston Perv
You may not want to see this picture, which was on the cover of the Herald print edition apparently, further adding to the irony of using Twitter to crowdsource arrests.