Authorities in Atlanta have arrested 49-year-old Billy Cagle, saying they had plans of stopping a shooting at Atlanta’s Hartsfield-Jackson International Airport. MSNBC’s Laura Haefeli has the latest. For more context and news coverage of the most important stories of our day click here: msnbc.com » Subscribe to MSNBC: youtube.com/msnbc » Subscribe to MSNBC on TikTok tiktok.com/@msnbc » Subscribe to MSNBC on Instagram instagram.com/msnbc Download our new MSNBC app for the latest breaking news and daily headlines at a glance: msnbc.com/information/download-msnbc-app-n1241692 Follow MSNBC Show Blogs MaddowBlog: msnbc.com/maddowblog MSNBC delivers breaking news, in-depth analysis of political headlines, commentary and informed perspectives. Find video clips and segments from The Rachel Maddow Show, Inside with Jen Psaki, Morning Joe, The Beat, Deadline: White House, All In, The Last Word, The 11th Hour, and mor...