See Kitty Genovese 1964 killing in New York City. Not a new phenomenon...in the naked city.
The Kitty Genovese story was a myth created by the NYT. It worked great.
https://www.thecut.com/2016/04/how-the-false-story-of-kitty-genovese-s-murder-went-viral.html
I doubt many people are shocked today.
“See Kitty Genovese 1964 killing in New York City.”
That was sold as a story, probably to promote social communism. There were several people who tried to help but iirc there was a slow police response, confusion about where she was located, etc. (Will read the attached article later to refresh my memory!)
https://nypost.com/2014/02/16/book-reveals-real-story-behind-the-kitty-genovese-murder/