In Grande Prairie, Texas, 29-year old Marque Wilford accidentally discharged his firearm inside his apartment. The bullet passed through an apartment wall and struck and killed his 32-year old neighbor.  Wilford was arrested and charged with manslaughter.

Source:

“North Texas Man Arrested For Allegedly Shooting Through Apartment, Killing Neighbor,”  11/21 CBS DFQ (June 14, 2021).