Melanie Williams, 30, has been charged with assault and battery on a household or family member after allegedly striking her partner, 24-year-old Zharia Wilcox-Ellis, shortly before Wilcox-Ellis was found fatally shot outside an apartment building in Waltham, Massachusetts. The incident occurred around 11:30 p.m. on Friday, and Wilcox-Ellis was pronounced dead at the scene. Surveillance video shows Williams hitting Wilcox-Ellis during a fight that preceded the shooting. While no arrests have been made in connection with the shooting itself, authorities are actively investigating the case. Residents in the area have expressed shock and concerns over safety following the incident. Anyone with information is urged to contact Waltham police.