How the Secret Service is managing America 250 security: "We're in a heightened threat environment"

Saturday's Fourth of July celebration on the National Mall is the first tagged as a "national special security event," meaning a law enforcement presence akin to a Super Bowl or an inauguration. Nicole Sganga has more. "CBS Evening News" delivers the day's most important stories, delivering context and depth to bring greater understanding to your world. Check local listings for "CBS Evening News" broadcast times. Subscribe to the "CBS Evening News" YouTube channel: https://youtube.com/CBSEveningNews Watch full episodes of "CBS Evening News": https://cbsnews.com/evening-news/full-episodes/ Follow "CBS Evening News" on Instagram: https://instagram.com/cbseveningnews/ Like "CBS Evening News" on Facebook: https://facebook.com/CBSEveningNews Follow "CBS Evening News" on X: https://twitter.com/CBSEveningNews Download the CBS News app: https://cbsnews.com/mobile/ Try Paramount+ free: https://paramountplus.com/?ftag=PPM-05-10aeh8h For video licensing inquiries, contact: [email protected]