san jose police department. 1.6 million scanned, 1,509 of use to investigators. a bad success rate at .089 percent. a director of investigations at a company thinking that is not a great use of money. when you have clever criminals license plate readers won't deter them. they'll think a way to get around them. license plate readers from good at capturing information on innocent people but maybe not people willing to break the law. what are you thinking when it comes to license plate readers? >> what we've seen license place readers have been effective with cities used strategically. we need to focus them where felonies are being committed. what we know is if burglars or robbers or for that matter drive by shooters or others committing crime want to evade