![](https://media.nbcwashington.com/2024/03/29871758617-1080pnbcstations.jpg?quality=85&strip=all)
Gun from Arianna Davis killing linked to 2022 shooting
A little more than a year after a 19-year-old D.C. man was found shot to death in Southeast D.C., his family has new hope the case will be solved. News4’s Paul Wagner reports a recent court filing revealed one of the guns used in the Mother’s Day killing of 10-year-old Arianna Davis was also used to kill Corey Riggins Jr.