prisoners, including americans. four people killed, dozens injured. as the midterm elections grow closer, polls for key races tightening. early voting starts in georgia tomorrow. our exclusive interview with republican senate candidate herschel walker. where did that badge he held up in the debate come from? is that arresting authority or honorary badge? traffic is back with a vengeance. the new data on when and where it s worse. what you need to know to make your commute less miserable. announcer: this is nbc nightly news with kate snow. good evening. we re learning more tonight about how police stopped an alleged serial killer before he could strike again. after six murders, residents in stockton, california, were on high alert. and it was that community that helped locate the suspect with tips. a surveillance team started tracking the man, according to the police chief. they have watched his patterns and early saturday they believed he was about to kill again,
reporter: here people have been hoping he might ease the stifling zero covid policy. instead, he praised it. just last week, sensors raced to scrub images of a protest banner, a rare sight in beijing that lamented constant lockdowns and said, we want freedom. even to report on the congress always a covid test. reporter: meant taking multiple covid tests and spending two days at a quarantine hotel. inside the great hall this week, china s plans will take shape behind firmly closed doors. xi jinping will extend his rule for as long as he chooses, his power uncontested and complete. janis mackey frayer, nbc news, beijing. when we come back, the return of gridlock traffic. but it s now hitting at different times and places. also the newly released video from a shootout caught on ag e-related macular degeneration may lead to severe vision loss. and if you re taking a multivitamin alone,