@cbsnews: Defense attorneys for Luigi Mangione discussed a possible plea deal in his case with federal prosecutors in New York ahead of a hearing on Monday, but talks fell apart, according to two sources familiar with the matter. CBS News’ @annaschectercbs has more on what that could mean for Mangione, who is facing charges in the killing of UnitedHealthcare CEO Brian Thompson. #news #luigimangione #brianthompson #unitedhealthcare #court