Hilda Nilsson, was convicted of murdering 8 children, but it is considered to be at least 25 children.
Hildas body is buried in an unmarked grave in Landskrona, Sweden.
Hildas foster son, Erik-Gustaf was adopted to another family in another part of Sweden and lived a long life.
During the trial Hilda said "I was just tired of their screams" when asked why she killed the children.
In the movie both the lawyer and the prosecutor is played by a real lawyer and a real prosecutor.