New details tonight in the investigation into the Minneapolis school shooting massacre. Minneapolis police confirm law enforcement has had a conversation with the shooter's mother, who has not been accused of any wrongdoing. This as a former classmate of the shooter says she noticed red flags. NBC News' Maggie Vespa reports. Fired Federal Reserve Board Governor Lisa Cook was in court today after suing to keep her job, following her firing by President Trump. Meanwhile, HHS Secretary Robert F. Kennedy, Jr. said he will restore ‘credibility' to the CDC after the firing of the agency's director. NBC News' Gabe Gutierrez reports. The IDF says it has begun the "initial stages" of its assault on Gaza City and that it had recovered the remains of two hostages. NBC News' Molly Hunter reporter from Jerusalem.  "This is the Emergency Broadcast System. A regional jet from Aspen to Houston had to divert and land in Austin after dropping nearly 5,000 feet in a severe turbulence event. A passenger described one person on board bouncing up and hitting the ceiling twice. NBC News' Tom Costello reports.  This is not a test." Actor and New Orleans native Wendell Pierce recalls the chill that message sent through his body. Hurricane Katrina had passed, but the city's levees had broken, filling it up "like a bathtub." On this 20th anniversary of Hurricane Katrina, Pierce, along with survivor Dr. Courtney Jackson and WDSU New Orleans anchor Travers Mackel join Tom Llamas in a roundtable discussion about what went terribly wrong and why we should never forget. 

After the U.S. government loaded children onto planes to be sent back to their native Guatemala, a federal judge temporarily blocked the flights. NBC News' Vaughn Hillyard has the details. A man was found dead Saturday in a suspected homicide at the "Burning Man" festival in the Nevada desert. NBC News' Ryan Chandler has the details. Chinese President Xi Jinping is hosting a high-stakes summit with the leaders from Russia, India, Iran, Turkey and about a dozen other countries as Chinese President Xi Jinping looks to boost China's influence on the world stage. NBC News' Janis Mackey Frayer reports from Tianjin, China. President Trump and members of his administration are ramping up threats to send troops to Chicago. It comes as Homeland Security Secretary Kristi Noem confirmed Sunday that the administration plans to expand Immigration and Customs Enforcement operations in major cities, which includes Chicago. NBC News' Maggie Vespa reports. With Covid cases and hospitalizations rising as fall approaches, new guidance about who can receive the new vaccine is causing confusion heading. NBC News' Marissa Parra has a closer look. Hundreds of swimmers along California's coast were rescued over Labor Day weekend after they were caught in dangerous rip currents. NBC News' Dana Griffin has more. Israel's military launched deadly strikes on Gaza City over the weekend, as Israeli Prime Minister Benjamin Netanyahu faces growing opposition at home. It comes as President Trump is considering turning Gaza into a "riviera" after the war ends. NBC News' Richard Engel reports from Jerusalem. In Ohio, grandparents Frank and Marilyn Majni have been calling to sing "Happy Birthday" to all of their loved ones for decades. But after their granddaughter Adeline Petersen posted a video of one of their calls that went viral, hundreds of people from all 50 states and at least 15 countries sent birthday cards to celebrate Marilyn's 90th birthday. NBC News' Hallie Jackson has the story.