Last night I was on JetBlue from NYC to Vegas. I don't watch TV normally but JetBlue I get to 
last night I - mostly watched Law and Order. In one of the episodes an interesting use case comes up. They are investigating a murder. The victim has a stamp on his arm from a gay club. They go an investigate the club and who was there. Turns out that the club scans everyones drivers licenses and keeps a log of all the people who go in. I wonder how prevalent these identity scanning systems are - does anyone know or know where to find out. What are the regulations about their use and what is the 'agreement' that people who are scanned. The Club owners say that the system cost $11,000 and the reason they got it was because they were busted for serving alcohol to a 15 year old girl. The police investigators look through list of people who were at the club that night. It turns out that the cop's son is on the list.
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