Luigi Mangione walked into courthouse by police

Police arrested a "strong person of interest" in the killing of UnitedHealthcare's CEO. The person of interest, identified by police as 26-year-old Luigi Nicholas Mangione, had a gun believed to be the one used in the fatal shooting of Brian Thompson, as well as writings and other evidence. Video shows police walking Mangione into a courthouse in Hollidaysburg, PA for his preliminary arraignment. Mangione faces five charges in Pennsylvania, including forgery, carrying Concealed firearm without license and false identification to law enforcement. LiveNOW's Andy Mac discussed Mangione's arrest with FOX News' Caroline Elliott.