Kitty Genovese who was beaten & stabbed in two attacks near her home in Queens on March 13, 1964. After her death newspapers reported 38 neighbors heard the attacks but did nothing to help leading to the social psychological phenomenon named after her: the Genovese syndrome.
The narcissist will always make his exs to be the worst case. Know this from experience, been on both sides of this. Don't believe everything they say about the ex, you don't know what hell the narc put them through