served a year long rehab program after his first dwi arrest in 2007, after the second offense he stepped down, the sheriff. >> gregg: the long aren't of the law might be getting longer as police agencies turn to the internet, to search for new recruits. a recent article in u.s.a. reveals how deep law informant agencies are digging to screen potential employees, those background checks could involve peeking into an applicant's social network such as facebook, my space and twitter and agencies might even go so far as to ask the job seeker to provide the private password, the text messages and e-mails, is that legal, can they really do that? how far should a police agency go, in vetting candidates for public safety jobs, let's ask our legal panel, lis weihl, form federal prosecutor who shares my office, and, paul cowan, who doesn't -- a professor of media