here is carter evans. >> reporter: explosions of color.are in the countdown. checking controls. you get the goose bumps like i am getting now. >> the ceo of the family run business, pyro spectaculars. three, two, one, fire. >> reporter: he and his son paul are in the california desert for the final testing of shells that will explode in nearly 400 sousa produced shows come monday. beautiful purple. green, blue combo. the sousa are the firing force behind some of the world's biggest celebrations. what if it didn't work perfectly. exactly the way you want it? >> nobody else was going to know. ha-ha-ha. it's still goes boom. >> still going to go boom and make people happy. >> this is the sousa family recipe or cookbook. >> the cookbook contains original formulas for fireworks. in the early dates the family made their own. sparks first began flying when manuel emigrated from portugal in the early 1900s. >> my great grandfather was lighting the fuses with a hand torch. >> in the third and 40s. sousa's shows helped the community near san francis

reena, that's an area larger than the city of chicago. >> ninan: carter evans in los angeles. in a suburb north of seattle, three people are dead and one wound following a shooting at a house party. it happened in the coastal town of mikilteo. police in san diego are trying to determine whether the shooting of two officers thursday night was an ambush attack. one officer was killed, another injured purpose they were assigned to a unit that cracks down on gangs. investigators are waiting for the wounded officer to recover from surgery to get his account of what happened. the phoenix area was hit with heavy rains, strong winds, and hail. streets were flooded last night, and tens of thousands of people lost power. other parts of the west are dealing with triple-digit heat. president obama is spending the night at camp david, the presidential retreat in maryland. the president's gathering with family and friends for an early celebration of his 55th birthday, which is next thursday. s it this the president's 39th visit to camp david, the first since his birthday weekend last year.

well, carter evans has a new study that may have drivers seeing these cameras in a whole new light. >> reporter: the violent crashes called by red light runners kill more than 700 people a year, lives that could be saved if there were more red >> motor vehicle crashes don't have to be killing and injuring so many people. >> reporter: adrian lund is president of the insurance institute for highway safety. >> when people know that there's a good chance of getting a ticket for running the light, they're more likely to be paying attention. >> reporter: but after the cameras were the target of complaints, including that their primary purpose was to raise revenue, more than 150 cities removed them. the insurance institute's latest been a mistake. it looked at 14 of those cities and found a 30% increase in the rate of fatal accidents at the intersections where the cameras once were. but there's still evidence the cameras don't always work properly. >> i was surprised, especially when the picture shows the car not moving. >> reporter: jessica aguilera's $490 red light ticket was thrown out be

carter evans, cbs news. los angeles. >> ninan: that's the cbs weekend news for this saturday.ater, "48 hours" and coverage of the republican national convention kicks off tomorrow morning on "face the nation." scott pelley will have a special edition of the cbs weekend news from cleveland tomorrow night. our prime time coverage begins monday. the news always continues on our 24 hour digital network cbsn on cbsnews.com. i'm reena ninan in new york. thank you for joining us. good night. captioning sponsored by cbs >> announcer: the following program is sponsored by operation smile. every three minutes, a child is born with cleft lip or cleft palate. in many countries, they can't get the surgery they need. >> interpreter: i feel bad when they stare at her. they say, "look how ugly she is." i feel very happy. i don't know how to explain it. she looks brand-new. >> interpreter: he gets upset when he drinks because it falls out of his mouth. before, he looked so different, but now he looks good, and that makes me happy. he's very handsome now. >> interpreter: people say he was born

carter evans introduces us to a family of immigrants who became an american fireworks dynasty. >> reporterp the night sky with dazzling display. explosions of color, hitting on the beat. the pyro musical we've all come to expect in a fourth of july celebration was pioneered by the souza family. >> when we're into that count down and all checking controls. >> here we are, we're hot. >> then you get the goose bumps like i'm getting now and the ten, nine, eight, and the first shell goes up in the air, and yes. that's the magic. good to go. >> reporter: jim souza has been a rocket man since he was 12. >> we're going to be blowing a lot of stuff up. >> we are, definitely. >> reporter: today he's the c.e.o. of the family run business pyro spectaculars. >> we have the charge on the bottom. the shell itself is on top. >> reporter: his son paul is a fifth generation show producer. >> three, two, one, fire. they're deep in the california desert for the final testing of shells that will explode in nearly 400 souza-produced shows come monday. each launched by pyro spectaculars trained professionals. >

>> ninan: errol barnett in washington, and our thanks to carter evans in california. let's bring in pamela gardner of our cbs boston station, wbz. pamela, any relief from the heat wave in sight? >> reporter: reena, the hot temperatures continue. we have excessive heat warnings and heat advisories in effect from new york, all the way to st. louis, and chicago. and these in place through sunday, as a heat dome continues to build. high pressure and control across much of the country, in the upper levels of the atmosphere, and notice that it starts to flatten out as we get into sunday. so what that means is the heat will progress, even into new england and in southern canada, but also tracking the intense humidity levels. dew point temperatures in the low to mid-70s, with the southwest-south air flow and that means it will be downright oppressive, with actual high temperatures in the 90s from new york to d.c. columbia, 100 degrees. oklahoma city, also at 100. real-feel temps, 105 to 125. also keeping an eye on what's going on in the pacific ocean. we have tropical storm d

carter evans, cbs news, los angeles. >> ninan: well, that's the "cbs weekend news" for this saturday. on cbs, "48 hours," and a reminder that our coverage of the republican national convention kicks off tomorrow morning on "face the nation." scott pelley will have a special edition of the "cbs weekend news" from cleveland tomorrow night. our prime-time coverage begins monday. and the news always continues on our 24-hour digital network cbsn, on cbsnews.com. i'm reena ninan in new york. thank you for joining us. good night. captioning sponsored by cbs captioned by media access group at wgbh student.. >>> live from the cbs bay area studios this is kpix 5 news. >>> a new twist in the search for a uc berkeley student missing since the baa still day attack in niece. why they detained ten of his class mates today. >>> a toddler goes in for a dental procedure and leaves in an ambulance. >>> nate thurmond as died i'm brian hackney. >> we start with the latest in the search for the missing student. he was there as part of a stutd di abroad -- study abroad program. some of his friends ran into

carter evans says some states are now kicking the tires on a mileage tax. >> reporter: the freedom ofn road may soon cost you, and it's why andrew zingale is using a special app-- >> it's called the driveway app. >> reporter: --to send photos of his odometer to the state of california. >> you take a picture and that's the reading. >> reporter: he's one of 5,000 californians participating in a nine-month experiment to see if taxing drivers by the mile can replace the state's gasoline tax. so this is getting data from your car's computer. brian kelly is installing an experimental g.p.s. mileage tracker. he is also california's secretary of transportation. >> the projections on what we'll get out of the gas tax are down going forward. so we have to find new ways to fund transportation. >> reporter: california needs $8 billion a year to maintain its transportation infrastructure, but it only raises $2.3 billion from its 27.8 cent-a-gallon gas excise tax. >> there is absolutely nothing wrong with the gas tax except for one thing. and that is our legislators have chosen not to raise the tax

carter evans is following the manhunt. >> that's when they opened fire. >> reporter: the three latest were murdered in dossie ellis' driveway. >> 14 bullets in my daughter. 12 bullets in my granddaughter. eight bullets in the other girl. that's 34 bullets. >> reporter: ellis' 12-year-old granddaughter maleah was the youngest victim. his daughter stephanie and her friend angela linner were also gunned down. >> reporter: this is not a sniper shooting someone at a distance. >> right. >> reporter: they look their victims in the eye. >> not even a drive-by. walked up, made sure someone was in the car and just opened fire. >> reporter: phoenix police have now linked those murders to four others, and the f.b.i. and u.s. marshals have joined the investigation. the shootings began in march. since then, the serial killer or killers murdered seven people within 50 square miles. all of the shootings occurred outside homes and at night. >> right now we have not determined a motive in any one of these eight incidents. we haven't found any relationship between our victims. >> reporter: investigators

carter evans is following the manhunt. >> that's when they opened fire. >> reporter: the three latestictims were shot in his driveway. >> 12 bullets in my granddaughter, eight bullets in the other girl. that's 34 bullets. >> reporter: maleah was the youngest victim. his daughter stephanie and her daughter were also gunned down. this is not a sniper shooting someone at a distance. >> right. >> reporter: they look their victims in the eyes. >> not even a drive by. walked up, made sure someone was in the car and just opened fire. >> reporter: phoenix police have now linked those murders to four others and the fbi and u.s. marshals have joined the investigation. the shootings began in march. since then, the serial killer or killers have murdered seven people within 50 square miles. all of the shootings occurred outside homes and at night. >> right now, we have not determined a motive in any of these incidents. we haven't found a relationship between the victims. >> reporter: investigators have a sketch of the suspect. and the community, while on edge, is being vigilant. mark upchurch is w

carter evans is following the manhunt. >> that's when they opened fire. >> reporter: the three latestms were murdered in dosy ellis's driveway. >> 12 bullets in my granddaughter, eight bullets in the other girl. >> reporter: his grand dpauter was the youngest victim. her friend and daughter were also gunned down. this is not a sniper shooting someone at a distance. >> right. not even a drive by. walked up. made sure someone were in the car. and just opened fire. >> reporter: phoenix police have now linked those murders to four others, and the fbi and u.s. marshals have joined the investigation. the shootings began in march. since then, the serial killer or killers have murdered within 50 square miles. >> we have not determined a motive. we haven't found a relationship between the victims. >> reporter: they knew have a sketch of the suspect. and the community, while on international is being vigilant. the mike upchurch is patrolling with the guardian angels. >> it's very frustrating. i know if he's not caught, he's going to kill again. >> reporter: but for dosy ellis and his wife sylvi

carter evans introduces us to a family of immigrants who became an american fireworks dynasty. ♪ ♪ >>r: lighting up the night sky with diazling adisplays. colors on the beach. the pyro musical we have all come to expect in a fourth of july celebration was pioneered by the sousa family. >> when we are into the countdown, all checking controls. you get the goose bumps. ten, nine, eight. first show goes up in the air. and yes! that's the magic. >> good to go. >> reporter: the ceo of pyros pectaculars. >> we have charge on the bottom the shell itself is on top. >> reporter: his son paul is fifth generation show producer. >> three, two, one, fire. >> they're deep in the california desert for the final testing of shells that will explode in nearly 400 sousa pre produced shows come monday. each launched by pyro spectacular trained professionals. >> beautiful. combo. green, purple. gold. >> two, one, fire. >> reporter: the sousaa are the firing force for some of the biggest celebrations around the world. olympic opening ceremonies, superbowls. and the 75th anniversary of the golden gate bridg

. >> reporter: tesla's ceo elon musk demonstrated autopilot for carter evans two years ago. since 2014, california has been keeping track of accidents involving self-driving cars. it has counted a total of 15 but none were fatal. tesla says the florida accident marks the first known fatality in more than 130 miles of driving the model s in autopilot mode. >> i think consumers need to be reassured this is a safe technology and if that involves more testing from tesla and that is something they need to take look at in order to for people to feel more comfortable with using it. >> reporter: tesla stresses that the autopilot feature is not a truly autonomous or self-driving car feature. in fact, the company says drivers are required to keep their hands on the wheel and need to be prepared to take over at any time. the investigation is preliminary at the very least. the police investigation into that fatal crash is still ongoing. >> more to find out. thank you. >>> a powerful thunderstorm swamped the las vegas valley last night. >> i've never seen a hail storm like this in las ve

carter evans, cbs news, los angeles. >> and justin joining us again, justin, not total wash out thiskend, but certainly got to carry the umbrella i know you warned us yesterday, but still got caught in the rain. >> of course always my fault, you got to blame the weather man. >> you got to blame somebody. >> hard to pinpoint exactly where the showers will be, because the key word here is scattered, keep in mind, pretty much everywhere has a chance, but areas that, central delaware, may get lucky today, and escape most of the day on the dry seemed up in the poconos we have cloudy skies, little bit of light rain trying to develop right now, don't expect whole lot of sunshine, up at big boulder right now looking at the lake, it will be warm, muggy, temperatures in the poconos, are going to be in the 70s, for highs today. now, check out storm scan3, and we do have some heavier showers developing just on the north side of the city right now moving into southern bucks county, go north of trenton, seeing some heavier rain, then go to south jersey cumberland county, batch of some slow moving

. >> reporter: tesla's ceo demonstrated auto pilot for carter evans two years ago. >> it will change lanes for me and then breake. >> reporter: since 2014, california has been keeping track of accidents. it has counted 15, but none fatal. florida accident marks the first known fatality in more than 130 million miles in driving the model s in auto pilot mode. >> consumers need to be reassured it is a safe technology and if that involves more testing from tesla, these something they need to look at in order for people to feel more comfortable with it zrchlts the auto pilot feature is not truly autonomous driving car feature. drivers are required to keep their hands on the wheel and be prepared to take over at any time. the investigation is preliminary, and will likely take several months at the very least. the police investigation into that fatal crash is still ongoing. norah. >> more to find out. thanks for that great reporting. >>> a powerful thunderstorm in the las vegas valley last night. >> i've never seen a hailstorm like this. >> there were hail stones the size of golf balls, pa

here's carter evans. >> reporter: flames broke out along a busy freeway north of los angeles at the heightthe heat wave. this view, from an l.a. county fire helicopter, shows fire engines arriving on scene. >> look at that. that is some ingenuity right there. he's got one of the big nozzles, driving along trying to put that fire out. >> reporter: but temperatures, up to 110 degrees, and strong wind gusts made it impossible for firefighters to stop the massive wall of flames. hundreds had to evacuate, including kurtis bell. >> it was just like in the movies with fire and smoke around. it absolutely looked like the apocalypse. >> reporter: firefighters tracked the flames from the air, as they ripped through miles of drought-dried brush. l.a. fire captain daniel curry. >> this is just an example of our-- of a dry-- of a dry plant, and you can just grab it and break it. and you can see there's just no noyce mois in this whatsoever. >> reporter: as these flames continued to grow, firefighters are looking forward to cooler temperatures tomorrow here in the west. now errol barnett has more on the

carter evans hat story. >> reporter: crashes caused by red light runners kill more than 700 people acould be saved if there were more red light cameras, according to a new study. >> motorehicle crashes don't have to be killing and injuring so many people. >> reporter: adrian lund is president of the insurance institute for highway safety. >> when people know there's a good chance of getting a ticket for running a light, they are most likely to be paying attention on that road. >> reporter: after complaints, the cameras primarily installed to raise revenue, more than 150 cities agreed to remove them. the insurance institute's new study suggests that might be a mistake. it looks at 14 of those cities and found 30% increase in the rate of fatal accidents at the intersections where cameras once huck hung. still there is evidence that the cameras don't always work properly. >> i was surprised when i saw it. >> reporter: jessica's 490 red light ticket was thrown out because she did not violate the law. do you think it's possible that these cameras could save lives? >> anything is possible.

carter evans cbs news los angeles. >> i'm still stumped as to why people do this. >> it's been a weekr, i am immersed in it -- i have been immersed in it and i am still >> you are a gamer? >> what? how long have you known me? let's get on with the weather. >>> some folks won't have power . we have video from bethesda. elliott road and of all is try -- duvall is try. there have been some gusty winds but again the watch is pretty much over with. let me show you another picture -- this is the inner loop and pennsylvania. that's what we were looking at at about three or 4:00 -- 3:00 or 4:00 today. the exception will be the extreme southern maryland but -- for the most part we are in pretty good shape. the watch is gone. that just includes congress -- calaveras the watch continues until 8:00. and it's bringing up a bit out there. still 73 with showers of the airport. here's the radar and this was the heavy severe activity then moved across earlier. now to cross the bay. leftover showers on the east side of 95 toward dale city and fredericksburg but nothing severe. we will zoom in a little

carter evans is at a casino resort in las vegas.they have came up with a way to recycle the food. >> reporter: it's open for lunch, breakfast and dinner. a place you can get almost anything you want. as it turns out, the land of success may be the exception when it comes to wasting food. the buffet at this restaurant is an endless amount of watering delicacies piled high. >> people come to las vegas thinking this is the land of waste and we are very conscious about our environment. >> reporter: last year alone, this hotel had some 7 million pound of leftover food! but they didn't throw it away. >> i look at this buffet here and i see crab legs. all of this wonderful food. where does it end up? >> it ends up at the hog farm. in your tummy or at the hog farm. >> reporter: that's right. pig slop made from sushi and roast beef. most importantly, none of it goes to a landfill where it decomposes into the greenhouse gas methane. according to consumer reports food waste is the biggest component of landfill and the biggest food wasters are

carter evans is in las vegas where they're coming up with creative solutions to recycle what doesn't get eaten. >> reporter: this all-you-can eat buffet is open for breakfast, lunch and dinner. it's a place you can get just about anything you want. but as it turns out, the land of excess may be the exception when it comes to wasted food. the buffet that aria is an array of mouth watering food piled high. last year alone this hotel had 7 million pounds of left over food. but they didn't throw it away. i see crab legs, all this wonderful food. where's it end up? >> at the hog farm. either in your tummy or at the hog farm. >> reporter: that's right. pig slop made from sushi and roast beef. most importantly none of it goes to a land fill where it decomposes into the greenhouse gas, methane. the biggest food wasters are families. >> for every four bags of groceries that the average american household buys, one of them gets tossed in the trash. >> reporter: consumer reports senior editor says food experation labels, sold buy, use buy are confusing, causing them to throw away food thats sti

carter evans is outside police headquarters. >> reporter: police try and track down this so-called serial're trying to deternal if it's bun purone pera group of people. >> they walked to the front of it and looked in the wind shield. >> reporter: his daughter and grand daughter melilla were shot and killed in his driveway in june, along with their friend, angela liner. >> 14 bullets in my daughter, 12 in my granddaughter and 8n other girl. >> reporter: seven people died. police released this sketch but not much else. does there seem to be a pattern with the victims? >> we have not determined a motive in any of these incidents. haven't found any evidence. >> reporter: many shot outside of their homes with the killer arriving and departing in a sedan. >> this guy has to get off the street and pay for what he did. >> reporter: nancy lost her twin brother. you're still trying to cope with the loss of your brother and at the same time afraid this could happen to you. >> yeah. they've not only taken my twin brother but my sense of security away. so, that ihave mey have many ots other than the o

at the time the country honors our freedom and patriot ism, carter evans introduces us to the souza familywe have all come to expect in a fourth of july celebration was pioneered by the sousa family. >> when we are in that countdown and all checking controls. >> we are hot. >> you get the goose bumps like i'm getting now. the countdown and the first show goes up in the air and, yes! that's the magic! good to go. >> reporter: jim sousa is the ceo of the family-run business. >> reporter: his son paul is a fifth generation show producer. >> 3-2-1! fire. >> reporter: they are deep in the california desert for the final testing of shells that will explode in nearly 400 sousa produced shows come monday. each launched by pyrospectaculars trained professionals. >> beautiful purple and green combo and gold. >> 2-1. fire. >> reporter: the sousa's are the firing force for some of the biggest celebration around the world. >> what if it didn't work perfectly exactly the way you want it? >> nobody else is going to know. it still goes boom! and make people happy. >> this is the sousa family or >> reporte

carter evans is outside police phoenix headquarters with the race to pre vent more carter, good morningeporter: good morning. the entire city of phoenix is on edge as police try and track down this so-called serial shooter and authorities are really still trying to determine if it's one person or a group of people hein these crimes. >> but they went to the front of it and looked through the windshield. >> reporter: that's when they opened fire? >> that's within they opened fire. >> reporter: his daughter stephanie and 12-year-old granddaughter malia were shot and killed in his driveway in june along with their friends angela leonard. >> 14 bullets in my daughter. 12 bullets in my granddaughter, eight in the other girl, that's 34 bullets. >> reporter: since march, nine people have been shot in about a 50 square mile area of phoenix. several people died. police released this sketch of a suspect. not much else. >> it clearly meets the definition of a serial shooter. >> reporter: does there team e seem to be a pattern with the victims? >> there is not. right determined a motive in any one o

carter evans person or a group f people hein these crimes. >> but they went to the front of it and lookedgh the windshield. >> reporter: that's when they opened fire? >> that's within they opened fire. >> reporter: his daughter stephanie and 12-year-old granddaughter malia were shot and killed in his driveway in june along with their friends angela leonard. >> 14 bullets in my daughter. 12 bullets in my granddaughter, eight in the other girl, that's 34 bullets. >> reporter: since march, nine people have been shot in about a 50 square mile area of phoenix. several people died. police released this sketch of a suspect. not much else. >> it clearly meets the definition of a serial shooter. >> reporter: does there team e seem to be a pattern with the victims? >> there is not. right now, we have not determined a motive in any one of these eight incidents. we haven't found a relationship between our victims. >> reporter: evidence points to shooter or shooters. victims have been shot at night. many outside of their homes, with a killer using a handgun, arriveing and depart income a sedan. >> thi