Apparently today is International Bystander Awareness Day so here's an old guest blog from a bystander who intervened. I always aspire to be braver than I am in these situations:
https://www.girlonthenet.com/blog/intervening-in-harassment/
Inside The Brutal Murder Of Kitty Genovese, The 28-Year-Old Woman Who Was Killed In Plain Sight

Her death led psychologists to establish what is now known as the "bystander effect" theory.

All That's Interesting
@tully alright, I'll remove that link