Police investigating drunken driving cases must get voluntary consent from a suspect without any signs of coercion when drawing blood for testing or else get a search warrant, the Arizona Supreme Court ruled today.

As they grilled the lawyers arguing before them on the issue of whether police can collect DNA samples from unconvicted arrestees without a warrant, the justices of the U.S. Supreme Court acknowledged just how high the stakes are.

Police can’t analyze the DNA of juveniles arrested in connection with murders, sex crimes and burglaries until after they have been found guilty, the Arizona Supreme Court ruled today.

Pima County politicians have joked about the idea of political separation from more-conservative Maricopa County for decades. But the Legislature’s recent moves on topics including immigration caused some to stop laughing and form a political committee advocating that this county of more than 1 million people leave Arizona and create a new state.