‘It seemed preposterous on its face’: Altoona cop’s supervisor said he’d buy his favorite hoagie moments before Luigi Mangione arrest

A 911 call about a man resembling “the CEO shooter.” Body-camera footage of police arresting Luigi Mangione and pulling items from his backpack, including a gun that prosecutors say matches the one used to kill UnitedHealthcare CEO Brian Thompson, and a notebook they have described as a “manifesto.” Notes about a “survival kit” and “intel checkin,” and testimony about his statements behind bars.

A three-week pretrial hearing on Mangione’s fight to exclude evidence from his New York murder...