
KEY POINTS
- NYPD Detectives Chief Joseph Kenny said the ghost gun may have been made 'on a 3D printer'
- Parts of ghost guns can usually be obtained without going through background checks
- UnitedHealthcare CEO Brian Thompson was fatally shot in Manhattan last week
UnitedHealthcare CEO Brian Thompson was fatally shot last week while walking in midtown Manhattan, and authorities detained a "strong person of interest" in the case who had a "ghost gun."