The brazen killing of UnitedHealthcare’s CEO was likely carried out with a ghost gun, one of the nearly untraceable weapons that can be made a home, police said Monday. Ghost guns have ...

Police allegedly found key parts of eight AR-15 rifles, the civilian version of the military M-16 assault rifle, the same parts of .308 rifles, a frame for a 1911 .45 caliber pistol and a 9mm ghost ...