100 years ago, the Tulsa massacre became the worst act of racial violence in U.S. history. NBC News’ Lester Holt looks at the city’s effort to find the unmarked graves of victims and speaks with a descendant who has made it her life’s work to highlight the Black history of Tulsa. » Subscribe to NBC News: http://nbcnews.to/SubscribeToNBC » Watch more …

Nine people, including alleged gunman Samuel Cassidy, were shot to death at the Santa Clara Valley Transportation Authority light rail yard in San Jose, California, on Wednesday morning. READ MORE: https://abcn.ws/2TlI5cy #ABCNews #SanJose #MassShooting #VTAMassacre #VTA Original source (ABC/Youtube)

Watch as White House Principal Deputy Press Secretary Karine Jean-Pierre holds a press briefing. » Subscribe to NBC News: http://nbcnews.to/SubscribeToNBC » Watch more NBC video: http://bit.ly/MoreNBCNews NBC News Digital is a collection of innovative and powerful news brands that deliver compelling, diverse and engaging news stories. NBC News Digital features NBCNews.com, MSNBC.com, TODAY.com, Nightly News, Meet the Press, Dateline, and …