huge. it can be used on the ball field and the battlefield. >> the testing that has been done at mmrc tells us that these two proteins are very effective in being able to tell us whether an individual has traumatic brain injuries. reporter: the army needs fda approval and they are working with a florida company in final trials through 2013. it involves about 1200 patients. now, one of the questions raised by the doctor we talked tow at the va center in palo alto, how much certainty is there? are you 99% that the person has it, 50% certain? hopefully one of the answers that will come out of the trials. >> i'm thinking about the ballplayers, too, because sometimes a young football player gets hit, they say oh, it's a mild concussion and he gets back on the field and hit again. if they have definite information it could save a lot of pain and suffering, as well. >> yes. >> thank you, sharon chin in palo alto. well, sunnyvale police officers trying to serve a warrant at a storage facility were nearly run over by the suspect. the officers approached the man who got into his car and drove it out of the gate trying to run over the officers. those officers by the way were not hurt but they got in their patrol car and chased the driver. >> within about a mile, the vehicle was disabled from two flat tires and the suspect had given up. >> the driver was arrested. a passenger escaped into the neighborhood but officers tracked him down and he was arrested as well. new details about the santa clara officer facing charges of felony conspiracy. officer clay rojas is accused of passing confidential information to a maine hells angels. mark sayre on the evidence against rojas. >> it's a difficult day for our department. it's a difficult day for our profession. >> reporter: he says 36-year- old clay rojas worked in a specialized unit investigating felony crimes. the chief say this investigation began when this man 38-year-old william bettencourt of santa cruz county was arrested in an unrelated case. he is a member of the hells angels. he was in possession of confidential dmv data allegedly obtained by officer rojas. >> during this short two-week investigation, we learned that he had passed along some confidential information that he had accessed through some computers at the police department. >> reporter: the chief says that data would typically contain names, addresses and social security numbers but it is for law enforcement use only. >> we are very clear on what the rules are so when you can access those databases and for what purposes, this was just a clear violation. >> reporter: as for motive? >> that's one of the questions we are looking at. what was his motive? what was his true relationship between himself and william bettencourt? >> reporter: officer rojas came to the santa clara police department from the san jose police department, where he was one of several officers involved in a use of force case a decade ago where a suspect died while being arrested. but he has had no troubles recently. >> he came to us as a veteran officer. he was doing well in the department. this comes really as a shock to all of us. >> reporter: officer rojas was booked into the santa clara county jail but has since been released on bail. in santa clara, i'm mark sayre, cbs 5. san francisco police say they are looking for two men who attacked a young couple back in august. the couple was on their second date, up at coit tower at night when a man approached them. the suspect yelled expletives at the two before punching the man in the jaw with brass knuckles. when the woman tried intervene, she was attacked by a second suspect who stole her purse. the second man is described as light skinned, black, 6'1", 200 pounds, tatoos on his upper left arm. tourists say despite the attack, they are not concerned for their safety. >> i'm feeling safe here. so i feel safe. >> the second suspect described as african-american, 5'6", what's 130 pounds, has close shaved hair. a rash of church thefts in san francisco and thieves have targeted about half dozen churches between mid-august and september. most of them took place in the city's southwestern neighborhoods. police say one person may be responsible for the thefts at a few of those churches. church leaders say even though this is obviously not right, they can understand why some people are desperate to steal from a church. >> a lot of churches are suffering because of the economy hitting them, too. >> church leaders say most churches lack security. sometimes volunteers and staff simply forget to even lock the doors. so they are hoping they can get enough donations to install security systems in the future. the emergency repairs on the san mateo bridge will continue through the weekend now. caltrans crews did work yesterday and today. they are trying to fix this 10" crack that's in a beam under the road. the work did close one section of a westbound lane causing backups during the morning commutes. workers bolted two steel plates to the top and bottom of the beam trying to stop the crack from getting any worse. caltrans says this should be a final fix for the problem and say all westbound lanes should be open for monday's commute. groundbreaking today at the oakland airport where a new air traffic control tower is going up. the new 36-foot tower will be on top of a 13,000-square-foot building. the new tower will replace two older towers that face north and south over the air field. the lower building will house the airport statute the entire project will have the latest they say in all the airport's technology. >> able to see the entire airport operations area from that new tower. the new tower is going to feature state-of-the-art communications, navigation and other equipment deeded to keep pace with the demands that are constantly evolving aviation systems. >> the project will cost $33 million. it's going to be funded with federal stimulus dollars. he is accused of snatching a woman's purse and driving away while she clung onto the car. the suspect here, a california mayor. one of the biggest threats to national security may not be what you think. why it could be found right at your dinner table. this is a great denim. >> tired of having your designer denims fade? skip the washing machine. the secrets to making jeans last a lot longer. check this out. live look. we have a cattle drive going on. a little yesterday i don't, 59th annual grand national rodeo at the cow palace. we'll be right back. [ male announcer ] taxes. jerry brown. who raised the gas tax as governor, and pushed for higher sales taxes? jerry brown. who tried five times to raise property taxes in oakland? jerry brown. who supported higher statewide income taxes? jerry brown. and who says, if elected, he'll ask voters for even more new taxes? jerry brown. governor jerry brown, again? hide your wallet. not matter. it's been a hot button issue whether or not to legalize marijuana in california but even if prop 19 passes, it may not matter. u.s. attorney generic holder says if california becomes the first state to legalize pot, the federal government won't look the other way. marijuana is illegal under federal law. and eric holder says federal drug agents will vigorously enforce the law against anyone growing, selling or carrying pot. here in the bay area, people who are for prop 19 believe the feds should stay out of it. >> if the voters speak and say yes, it should be yes. if they say no, it should be no. >> it's unfortunate that the federal government is going to interfere with a state's rights issue. >> some against prop 19 are leery the obama administration's motives on the issue. >> pure politics. election year, pure politics. tea party is moving the nation, they got to go in the same direction, try to gain the vote. >> although i don't think marijuana should be legalized i don't think a huge amount of money should be spent on enforcing it, either. >> one legal expert says if california prevents police from enforcing the stricter federal laws on marijuana, the supreme court has ruled the feds cannot order local law enforcement to act. that suits some people discussing the issue on facebook just fine. lauren writes: goes between states. we all need to realize tha rijuana is not just going to stay in california." and james perrin is voting against prop d adds: "it's a fede o it is up to the to reverse it." el ay is just three weeks away... so if you registered, yo tter hurry. the dead to vote election day just three weeks away so if you haven't registered to votes, you have to hurry because the deadline to register to vote is coming up monday which is october 18. san mateo county officials are reminding voters, registering pretty easy. you can register at libraries, post offices, dmv, city hall. you can even download the forms and drop them off and mail them in as long as it is postmarked by monday. checking other news around the bay area tonight, in atherton a 65-year-old man was killed this morning trying to cross el camino near watkins. it happened just after 6:00 a.m. the resulting investigation though closed lanes for four hours on he will camino. this is the second deadly accident along a stretch of el camino real in recent days. two weeks ago a cyclist was had the and killed. a fire behind a convenience store in san jose broke out in a building that houses a 7- eleven and laundromat. firefighters say had the flames made it into a jam pact attic space that fire really could have taken off. you may not get the chance to wash your windshield the next time you fill up. a judge is standing by his order telling thousands of gas stations in the state to remove a certain type of hands-free gas nozzle latch. that's the thing that you use to walk away from the gas nozzle. the danger is spraying gasoline. california mayor busted. a shouting match, purse snatch and wild ride that put him behind bars. caught on tape. a woman punched, kicked, dragged into the street by a man who was trying to steal her purse. what was in it besides money that she refused to let go of? well, happy friday evening. welcome it our weather center here in san francisco where it takes each and every one of these computers to come up with your weekend forecast. the day the rain may arrive when we come back. meg whitman's hometown newspaper said it best: "meg whitman has demonstrated a loose relationship with the truth" "a poor understanding of government" "pat solutions for problems whose depth and complexity clearly elude her" "she utterly lacks the qualifications to be governor" jerry brown "offers california exactly what it needs" "good ideas, strong principles, a reputation for telling the truth" and the ability to "get things done in sacramento" meg whitman's hometown newspaper and newspapers across the state have endorsed jerry brown for governor. possible son. 16 year two teenagers arrested in connection with a fire at an east bay elementary school face possible life in prison. a 16-year-old and 17-year-old have been charged as adults. they are accused of starting a fire at trace elementary school in july. the fire caused $10 million in damage. neither teenager ever attended school there. those teenagers due back in court next week. she was dragged, kicked and punched but a southern california woman refused to let of go her purse. the attack was caught on tape. the man grabbed her purse and threw her to the ground. she hung on despite violence. in her bag was her cell phone containing recordings of her daughter who had died just 10 weeks earlier from cancer. >> when it happened, i just -- i was totally ready to die. i did not care. it was those recordings on my phone -- battling and saying marks ma and walking. >> minor cuts and bruises, she did by the way keep her purse and the cell phone and the recording. so far police have not found the man to tried to steal it. the mayor of a southern california city is out on $100,000 bail, out of jail. he was arrested after authorities said he stole a purse and then took a wild ride with the alleged victim clinging to his car. 35-year-old albert wang is the mayor of san gabriel. now, police say he was arguing with a woman in this parking lot over money. authorities say that he grabbed her bag and then took off in her car. she was standing on the running board hanging on to the rear view mirror while the car was going about 45 miles an hour. the woman was not seriously hurt. huang calls it a great misunderstanding between friends. all right. time to get to the weather and roberta has it all going on her and her computers. >> i certainly do, allen. it has been a day in which we have seen anywhere between 10 and 20 degrees cooling along the immediate coast into the bay. let me step out of the way. it's our live cbs 5 weather camera aboard chopper 5. in the distance capturing mt. diablo looking due east and bay waters relatively flat. we'll have an approaching trough. san jose, the camera is wavering due to a robust onshore wind out of the west at 13. san jose currently at 77 degrees. big contrast at this hour when we had 91 degrees yesterday. 9% to the south cupertino 86, 44% humidity due to that westerly wind. santa rosa now under 80 degrees. meanwhile, if you are out and about, on in friday night, why not,we have mostly sunny skies in the 80s, 60s bayside. coastside we have the return of the marine layer in the form of some low clouds and fog. temperatures tonight overnight partly cloudy skies, 51 degrees in santa rosa. mid-50s and the bay. tri-valley temperatures in the mid-50s. interesting doings going on in the bay area in the skies at least after shore. it's 24 right here. we have this upper level area of low pressure there you have the clouds from yesterday's streaming through. right behind it here we had the investment an area of low pressure that wants to bang up against the northern half of the state of california and produce a 30% chance of a couple of raindrops on sunday. meanwhile, this is your pinpoint forecast. we walk you through the overnight hours and it's a shallow deck of low clouds but watch what happens during the day saturday. we start to see the influx of those clouds associated with that area of low pressure offshore. so we'll call it partly cloudy for your saturday. meanwhile, it is a getaway friday heading to the northwestern quadrant of the state. the central valley temperatures topping off in the low and mid- 80s. we have a slight chance of a shower in the greater lake tahoe area sunday and monday. otherwise, tomorrow locally numbers coming down everywhere. inland in the 90s. low 80s in livermore, concord and fairfield all the way through the delta including discovery bay. mid-70s will be common from fremont, wrapping around union city and by the way, this weekend, taste of fillmore. it's in san francisco under partly sunny skies at 66 degrees. and on sunday, hut, hut, hike, oh, yeah! the battle of bay, the raiders and 49ers. slight chance of a shower at 63 degrees. let's look at our seven-day forecast starting off with the first five days. we'll call them partly cloudy on saturday. that 30% chance of a shower on sunday. partly cloudy monday. full sunshine on tuesday. then we'll introduce a few clouds on wednesday and friday. mypix, you know, eric simonson always gets into the groove a big 49 he was fan. he sent this to us from pacifica. way to go, eric. keep the pictures coming to mypix@cbs5.com. allen, help me out with this. big doings going on this weekend the tiburon mile. >> you're swimming, got the lead athletes swimming. this is a great event. >> we are raising money for hospice. we get on a ferry at 8:00 a.m. to angel island and then we swim one nautical mile back to tiburon, water temperatures 57 degrees. but you wouldn't find me in the bay unless it was for charity. >> better you than me because i met a couple of elite -- you're going to want to meet those elite guys. >> set me up. it's a friendship thing. that's all it is. competition. >> consider yourself set up. okay, roberta, thanks. do you wash your jeans more than twice a year? i said a year. yeah, you may want to rethink that. julie watts on the consumerwatch with some unconventional tips on how to keep the favorite pair of jeans looking good. >> reporter: that's right. we were a bit surprised by what we heard from our deny anyone experts. they say only wash your denim every six months and instead of detergent, break out the windex or 409. >> this is a great denim. >> reporter: congratulations. you found a pair of jeans that fit. now you want to keep them looking new so how do you take care of them? >> just put them in the washer. >> detergent. >> my wife washes them. >> reporter: not so fast. this jean expert says when it comes to caring tore denim, most of us do too much. >> really think about every time that you put that jean in the wash. do you really need to wash it? >> reporter: he says the dekeeping your denim dapper, wash your jeans gently as little as possible and instead of detergent, check out the products under your kitchen sink. to remove spots and stains, he recommends dabbing them with a damp sponge and some windex or 409. >> there is a really low concentration of bleach in those things and i find it's kind of perfect and also brightens the indigo a little bit? >> reporter: then hang your jeans in the bathroom while you take a shower. he says the steam will freshen them up. but for a more thorough cleaning, stay in the bathroom and use the tub. his recipe, two tablespoons of a mild organic liquid soap in six inches of room temperature water and a tiny bit of white vinegar to set the indigo and keep it from fading. now soak for 20 minutes, and hang dry. above all, never put them in the dryer. >> you're getting a lot of abrasion and heat. that's where you get the color loss. >> if you must use a washing machine, chiara says turn your jeans inside out. use cold water and again line dry. but be careful, your jeans will look good long after they have gone out of style. >> the less we put them in the dryers and washing machines, the longer they are going to last. >> reporter: may sound gross but chiara says again only once every six months if you wash these and don't send them to the dry cleaner. he doesn't like the chemicals there. also, you should avoid ironing because that could actually harm the cotton and fade that indigo color. hey, if you have a consumer story idea we would love to hear it. give us a call, 1-888-5-helps- u. or check us on online at cbs5.com/connect. allen? >> and here i thought faded was it. all right. thank you. fitting into the jeans and being obese not only a health risk, it could put our nation's security at risk of a new study shows today's young adults are becoming too fat to fight in the military. in fact, about 25% of military applicants cannot serve because they are overweight or obese. that could make it tough to fill military ranks in the future. >> if you have not arrived at your basic training union in the best physical shape it's going to be hard. >> 9 million young americans are not eligible to serve because of obesity. they killed tens of thousands of people every year bacteria so dangerous they are called superbugs. so why aren't more drug companies trying to stop them? we'll have that store and more tonight only only. -- tonight only on the cbs evening news. [ male announcer ] carly fiorina. as ceo, she laid off 30,000 workers and shipped jobs to china. china. india. russia. poland. i know precisely why those jobs go. [ male announcer ] because fiorina shipped them there. to shanghai instead of san jose. bangalore instead of burbank. proudly stamping her products "made in china." 30,000 workers gone while fiorina took $100 million for herself. carly fiorina. outsourcing jobs. out for herself. [ barbara boxer ] i'm barbara boxer, and i approved this message. we're coming up on a big weekend here's what we're working on for eyewitness news at 6:00. we are coming up on a big weekend of baseball, but already some very bad baseball news for fans in the south bay. what may deliver the fatal blow to plans to bring the as to san jose. so that's coming up at 6:00. but first, we have the nl c s anticipation building in philly where the giants will face the phillies. the giants got into town last night for game one of the nlcs. outfielder pat burrell, renteria, uribe, all of them spotted making their way off the bus. a late-night. the giants are looking for the first pennant since 2002. so anticipation is building in san francisco too. >> they had rain yesterday it stopped raining today, tomorrow 59 degrees, partly cloudy just like at&t park. >> we'll see you in 30. ,, you know it's bad when the press asks if you'd take a lie detector test. meg whitman didn't tell the truth about not voting or about how long she lived in california. she got caught in insider deals at goldman sachs. she changed her story about physically abusing an employee. she campaigned as tough as nails on immigration knowing her housekeeper of 9 years was undocumented. her tv ads have been condemned as false and misleading. and even her hometown newspaper said meg whitman has demonstrated "a loose relationship with the truth" republican. democrat. independent. your party doesn't matter anymore. it's fixing this mess. boxer's been there twenty-eight years. and, look what we've got. when bickering ends, solutions begin. i'm prepared to oppose my party when it's wrong. we can change washington but first you have to vote,