Atlantic editor-in-chief mistakenly placed on Trump officials' war plans group chat; Legal Showdown over Trump's Deportation of Alleged Migrant Gang Members; Crews in Carolinas fight multiple wildfires; and more on tonight's broadcast.

Crews in North and South Carolina are working to contain the flames as wildfires continue to burn. Warm temperatures and strong winds have contributed to the critical fire conditions. At least 15 million people across the central and southern Appalachians remain under fire threats. NBC News' Marissa Parra reports. The Department of Health and Human Services has tapped an anti-vaccine activist to analyze vaccine safety data according to two sources familiar with the plan. The researcher has a history of spreading misinformation that vaccines cause autism - a conspiracy theory that's been widely debunked. NBC's Hallie Jackson reports. The reporter who was mistakenly included in an encrypted group chat with Trump administration officials about a military strike in Yemen released a new text message from the chat. The White House said the text messages showed that there were no war plans discussed during the group chat. NBC News' Peter Alexander reports and NBC News' Courtney Kube has more. Secretary of Homeland Security Kristi Noem visited an El Salvador prison housing Venezuelan migrants who the Trump administration alleges are members of the Tren de Aragua gang. NBC's Kelly O'Donnell reports. Days before sweeping tariffs to the auto industry are set to kick in, President Trump announced a 25% import tax on all fully completed vehicles brought into the United States starting April 2nd. NBC News' Christine Romans reports. Christy and Paul Akeo flew to Cancun for vacation on March 4 and were quickly arrested upon landing. Mexican authorities had issued a warrant for their arrest over a years-old dispute with an all-inclusive luxury timeshare chain. NBC News' Maggie Vespa spoke to the couple's daughter, Lindsey Hull, who says they knew nothing about the warrant and thought the issue with the resort had been resolved years earlier. She's now fighting to bring them home.