Polly Hannah Klaas (January 3, 1981 – October 1, 1993) was an American murder victim whose case garnered national media attention. On October 1, 1993, at age twelve, she was kidnapped at knifepoint during a slumber party at her mother's home in Petaluma, California, and was later strangled. Richard Allen Davis was convicted of her murder in 1996 and sentenced to death.