A major development in the Luigi Mangione case: after previously pleading not guilty to federal stalking charges, Mangione changed his plea to guilty and also admitted to shooting United Healthcare CEO Brian Thompson. CBS News legal analyst Caroline Polisi and CBS News legal reporter Katrina Kaufman examine what changed, why the plea change matters, and what comes next in the state murder case.

Murder in a Parking Garage

“48 Hours” uncovers the narrative behind crime and justice cases that have left a lasting mark on society. Award-winning CBS News correspondents thoughtfully examine the complexities of each crime by transporting you to the heart of the investigation through key evidence and gripping interviews with critical figures from the case. The unmatched reporting has made a tangible difference in countless lives, leading to the exoneration of wrongly convicted individuals and the reopening — and resolution — of previously closed cold cases.Listen to a new “48 Hours” episode every Monday&nbsp;and&nbsp;then go deeper into the case on Tuesdays with the immersive “Post Mortem” series — producers and correspondents join host Anne-Marie Green to discuss key evidence, dead ends, mishaps, and stranger-than-fiction twists they faced in the field. Also available on the 48 Hours YouTube channel. Plus, every Wednesday and Thursday, we’ll revisit a classic “48 Hours” episode.&nbsp;Get ad-free access to 48 Hours podcasts by subscribing to 48 Hours+. Subscribe at 48HoursPodcasts.com, then listen in Apple Podcasts, Spotify, or use your private link in your favorite podcast app.