Wanted crooks may be able to evade cops by staying off the streets, but abstinence from Facebook isn't easy even for hardened criminals, who have been using the medium to brag about their exploits. Needless to say, cops have not only been finding it easy to home in on the criminals, but their posts are also being used as evidence towards conviction. By the looks of it, the day isn't far when thugs start sending Facebook invites for bank robberies and other group activities.