What known svu episodes are based off true stories? What one might not be known of as a true story but you think is?

I know of some and have looked up some but I wanna hear people’s responses. The main ones I know are: - Casey Anthony - btk - The Chris brown and rhianna one - The Duggar family (19 kids and counting) - A woman met up with a pregnant woman, killed her, cut her baby out and went on the run (one of their names is Lisa Montgomery in real life?) - Natalee Holloway - Ed Kemper - Jonbenét Ramsay - Stuff involving bill cosby - Aileen wuornos - The slender man girls - Stuff to do with the allegations against Michael Jackson - Dee Dee Blanchard - Turpin family