CBS Evening News with Norah O'Donnell, 05/10

On tonight's CBS Evening News, America's overdose crisis is worsening -- and the DEA thinks fentanyl is primarily to blame. How the agency is zeroing in on where the killer drug is coming from. Plus -- American innovation. Fighting COVID and other harmful viruses with ultraviolet light. And -- a hero's goodbye. The final farewell of a World War II veteran. That's tonight on the CBS Evening News. To learn more about listener data and our privacy practices visit: https://www.audacyinc.com/privacy-policy Learn more about your ad choices. Visit https://podcastchoices.com/adchoices