kevin tibble has those details. >> reporter: after 18 years of chasing the checker, number 88 is pulling into the pits for good. >> i'm a little spun out up here. sorry. >> reporter: dale earnhardt jr. himself, the son of a racing legend, today announced this season would be his last. 26-time race winner and 14-time most popular driver. >> all i wanted to do was make a living driving cars. >> reporter: junior remains a nascar nation favorite. i'm proud of my great friend, dale jr for everything he's done for this sport. tweeted driver tony stewart. nothing but respect from chase elliott. the 42-year-old missed much of last season with concussion complications. still, the man known as "the king," says it will be hard to climb out of the driver's seat. >> it's kind of hard, when that's all you wanted all your life and want to do and hard to walk away from it. >> reporter: junior lost his father to an accident at daytona 500 in 2001 but kept the earnhardt legend alive. >> i accomplished way more than i ever dreamed, way more. >> reporter: victory lane and the sport may never be the same, ke

kevin tibbles, nbc news. >> that will do it for us on a tuesday night. i'm lester holt for all of us on nbc news. thank you for watching and good night. >>> these were unprovoked attacks by an individual that was intent on carrying out homicides today. >> right now at 6:00, three strangers killed at random in the central valley. tonight a man in custody and authorities looking to see in the murders are terrorism related. >>> the news at 6:00 starts roun. good evening thank for ink joust janelle wang sitting for jessica aguirre. >> raj mathai a lot happening at this hour. we're specking new details about the tragedy in fresno. in just a few minutes the police chief in fresno is expected to update us about the suspected gunman. kori muhammad killed three people today and wanted for another killing last week. now among the primary questions we mentioned this is a it terror related nbc bay area's marian favro is in the newsroom has more on the behavior speckly online. >> fresno police has been studying the facebook beige of muhammad. he post-ed anti-governme

kevin tibbles, nbc news. >> that will do it for us on a tuesday night.l of us on nbc news. thank you for watching and good night. >>> tonight, history comes to life in old city, the story of america's independence as you've never seen it before in the city known as america's birthplace, a new museum more than a century in the making will commemorate and celebrate one of the most important times in u.s. history. it tells the story of its revolutionaries, its rebels, its warriors and the years-long path to freedom. from the battles of lexington and concord to the signing of the declaration of independence, to create america as we know it, we'll take you on a journey through time with exhibits and galleries and pieces of history never shown to the public until now. and tomorrow morning, exactly 242 years after the shot heard round the world, the doors will open on the latest chapter, celebrating our nation's freedom and the major role our city played on the path to independence. nbc10 presents "road to the revolution." ♪ >>> good evening. i'm jim rosen fiel

kevin tibbles, nbc news. >> that will do it for us on a tuesday night.all of us on nbc news. thank you fotc and good night. thanks to