he ventured on to some rocks at sutro baths in san francisco and became trapped when his path became submerged. rescue swimmers came to his aid. the waves made it difficult but he's okay. >>> four days and still no sign tonight of a missing ski instructor in the tahoe area. crews resumed their search today for 23-year-old carson may. he disappeared thursday while skiing at sugar bowl. researchers say the last ping from his cell phone was from an area prone to avalanche. experienced skiers know that time is running out. >> four days is a long time no matter what. in these conditions it's hard to imagine the person isn't wet and cold and then usually hypothermia pretty soon. >> may was by himself at the time. his father says his son did not have anything like an avalanche beacon that could give rescuers his location. >>> new trouble tonight for santa clara county jails. a former inmate is suing. he claims poor medical care cost him his leg. arthur zelgado was serving time when he developed a blister. it got infected and he had to have part of his leg amputated. he was also diabetic. an

and rescue swimmers from the san francisco fire department had to pull a man to safety from the sutro baths beneath the cliff house and got trapped by the rising tides. strong surf made the rescue difficult but everyone made it back to shore without injuries. >>> and download the free weather app for the latest conditions. you'll find up to the minute forecasts. search for the ktvu app in the app store. >>> thursday the san francisco police commission will hold the first of three community hearings getting input about the use of force policies. procedures have been questioned a lot. the commission hopes to draft a new policy proposal by february. thursday night's meeting starts at 6:00. >>> john burris wants the u.s. justice department to investigate the police shooting of mario woods. >> officers essentially engaged in a firing squad activity. this is an opportunity to clean house and put forth a new vision for the police department. >> the police say mario woods was a stabbing suspect who approached them holding a knife. five police officers shot mario woods. john burris says the deadly s