The Black Dahlia is one of LA's most famous cold cases. Still to this day peole don't know which theory they believe more.

https://www.fbi.gov/history/famous-cases/black-dahlia

https://uselessknowledge.com/2394/black-dahlia-murder-13-horrifying-facts/

https://en.wikipedia.org/wiki/Black_Dahlia

https://www.biography.com/crime-figure/black-dahlia