Polly Klaas was abducted and murdered in October of 1993. Her case sparked change in many laws and affected the ways that missing children cases were handled since. Part 1 of 2
 
Sources
https://www.talkmurderwithme.com/blog/2018/10/9/polly-klaas
https://www.pressdemocrat.com/news/2219178-181/family-friends-remember-life-legacy 
http://www.pollyklaas.org/about/pollys-story.html
https://caselaw.findlaw.com/ca-supreme-court/1286985.html
https://www.crimeonline.com/2017/09/30/taken-in-the-night-polly-klaas-kidnapping-and-how-winona-ryder-offered-20k-for-her-return/