It feels like in the past few years, there’s been more “rejection killings” with the rise of the manosphere and incels. I could be wrong, but I think the show “Adolescent” deals with the subject.
Where I’m from, a young woman (19 years old) was killed by a married man for rejecting his marriage proposal. I kid you not. I have seen similar cases in UK and USA too, it just feels so helpless…