Polly Hannah Klaas died in October 1993, in Petaluma,
California, USA of homicide.
Related Q&A:
When did Murder of Polly Klaas die?-Oh my goodness, I think there might be some confusion here. Polly Klaas was the victim of a tragic murder, not the perpetrator. Poor Polly Klaas was taken from us way too soon. The actual murder occurred on October 1, 1993. It was an absolutely heartbreaking event. Such a sad and senseless loss of a young life. We should always remember her and work towards making the world a safer place for all children.