it reopened but tim gorman said he had gone far enough. >> i went down highway 20, got stuck on 20. decided to go on highway 80. got stuck on 80 so we've given it up and going home. >> reporter: when you look at those head lights you can see that visibility is an issue up here it's starting, the visibility is actually getting poorer out here. as for chain controls they're in effect from gold run to truckee. i talked to the chp about an hour and a half ago, they said as far as the number of spin outs out here they said it was an absurd number of spin outs fortunately no major injuries to report. on blue canyon, ken pritchett, ktvu news. >> follow our ktvu weather team 24 hours a day on facebook, twitter any where you go. >>> san francisco detectives are trying to come up with new clues in the unsolved killing of a well liked grocery store worker. new at 6:00, paul chambers live in san francisco where the victim was gunned down while just walking down the street for no apparent reason. paul-- >> reporter: frank we're live outside sfpd where they say they have very little to go on in t