Artsakh.
As to why she was mutilated before being killed, jihadis often cite the Koran's calls to cut off the hands, feet, and throats of infidels (e.g., Koran 5:33, 47:4). —
Artsakh.
One of the survivors... managed to escape his home in time and hide in the outside bathroom: "through the ventilator of the latrine he saw the rebels killing 4 members of his family including his wife and 3 children." — Virtueonline.org, December 3, 2020,
Democratic Republic of Congo.
"My husband began reading verses in the Koran that allowed men to beat their wives if they disobey them, and after that he started beating me...." — Morning Star News, December 17, 2020,