Luigi Mangione pleads guilty in federal case

Nancy Grace analyzes Luigi Mangione's federal guilty plea and his defense team's motion to dismiss state murder charges for the death of Brian Thompson. Grace slams the double jeopardy argument as the state prosecution moves forward.

Luigi Mangione pleads guilty to federal charges as his defense attorneys aggressively move to dismiss state murder charges in New York. Former prosecutor Nancy Grace joins 'Fox & Friends Weekend' to dissect the legal maneuvering surrounding the fatal shooting of UnitedHealthcare CEO Brian Thompson.