You have to hear the music. Reporter it may not looking exciting now , but this barge is spectacular. It will be lighting up your 4th of july. Reporter showing you how one of these turns into one of these. Thats the lift charge, black powder. Reporter that black powder sends this on onion shaped explosive in the air. When the shell gets to its proper height, that lights a bursting charge. Which sets off the lights in motion. The timing is everything. It all has to work for everything to be safe. Reporter the state of california only res one licensed technician and one assistant to be here. For the San Francisco fireworks, there will be 22 for the display. All will be set off electronically , designed by the this guy. I know the inventory of products that we have and what they do. From the top twin peaks you can see fire wooshgs from all over San Francisco bay. But until you you could not hear the music. But this year they have an app. It lets you listen to the music as it is in sink wi
Another tragedy. Thanks for joining us this evening. Im erika gonzalez. Powerful words from the sheriff in louisiana today. And until we come together, as a nation, as a people, to heal as a people, if we dont do that and this madness continues, we will surely perish as a people. Investigators say it looks like a gunman ambushed officers and sheriffs deputies in baton rouge today. Three of the six shot are dead. One fighting for his life. President obama addressing the nation just a short time ago. He says attacks on police happening far too often and advanced no causes. As we head into the political conventions, he called on all americans to avoid divisive rhetoric. Five days ago i traveled to dallas for the for the officers that were slain there. I said that that killer wouldnt be the last person who tries to make us turn on each other, nor will todays killer. It remains up to us to make sure that they fail. That decision is all of ours. The decision to make sure that our best selves