joining me to explore the debate are professor rory it wille with uc hastings college of law and michelle quinn, "san jose mercury news" columnist in. well, folks, this is actually two cases before the supreme court next week, one is a california case. the san diego police pulled over a guy, young man who was driving, he had a suspended license, he had expired tags. rory little, why did they have a need to look at his phone and what did they find? >> well, it's almost standard procedure for police to look at a phone if they can. they arrested him. there's a rule that says normally when you arrest somebody you can look at whatever they're carrying and it turned out this guy who was stopped for a traffic violation was connected by video on his phone to a prior drive-by gang shooting. and so they sort of little by little got evidence from his phone to tie them to the shooting and that's what he was ultimately prosecuted for. >> so that evidence was critical to his conviction and he's serve 15g years to life. >> 15 years with a gang enhancement proved by video where there was evidence that he was a