pictures and comments at the link. its a cultural thing i guess but i've never heard of similar things in the european cultures; 

A 23-year-old mother in Florida was killed by her younger brother Sunday during a family dispute over Christmas gifts {snip}

The argument began as Abrielle Baldwin, her two sons, ages 6 and 10 months, were out shopping Sunday night with her two teenage brothers, ages 15 and 14, and their mother {snip}

Baldwin’s 14-year-old brother was apparently upset that his older brother was getting more gifts {snip}

The family eventually left the store and went to Baldwin’s grandmother’s home where the arguing continued. While at the residence

, the 14-year-old took out a handgun and threatened to shoot his older brother in the head {snip}

{snip} The younger teen then began arguing with Baldwin and threatened to shoot her and her 10-month-old son.........https://www.amren.com/news/2023/12/florida-woman-killed-by-brother-who-was-then-shot-by-sibling-during-fight-over-christmas-gifts-sheriff-says/

He then allegedly shot her {snip} When the 15-year-old teen came out of the home, he took out his own .45 caliber handgun and shot his brother {snip}........