The ghost gun allegedly in Luigi Mangione's possession when he was arrested has been matched to three shell casings recovered ...

Authorities are looking into online accounts believed to be those of Luigi Mangione, the 26-year-old Ivy League graduate ...

Luigi Mangione, the 26-year-old Ivy League grad accused of killing UnitedHealthcare CEO Brian Thompson, shouted and thrashed ...

Multiple "Wanted" signs featuring corporate executives posted in Manhattan this week included a grave warning, according to a ...