John Albert Gardener III sexually assaulted a 13 year old girl. He was released on parole after serving 5 years in prison. He violated his parole repeatedly but was never sent back to prison, allowing him to rape and murder Amber DuBois and Chelsea King.

https://lintr.ee/KillerStories
https://www.tipsypod.com (trailer featured in today's episode)


sources:
https://murderpedia.org/male.G/g/gardner-john-albert.htm
https://www.oxygen.com/dateline-secrets-uncovered/crime-news/john-gardner-agrees-to-plead-guilty-to-murder-of-chelsea-king
https://web.archive.org/web/20100309140755/http://www.aolnews.com/crime/article/did-system-fail-slain-california-teen-chelsea-king/19385884
http://www.cnn.com/2010/CRIME/03/07/california.amber.dubois/
https://www.cdc.gov/ncbddd/adhd/facts.html#SignsSymptoms
https://www.latimes.com/archives/la-xpm-2010-mar-10-la-me-gardner10-2010mar10-story.html
https://web.archive.org/web/20120630193456/http://www.nctimes.com/news/local/sdcounty/region-old-report-offers-peek-into-gardner-s-past/article_e2393e7e-fd8c-5335-a8f9-f198cb13c364.html
https://www.sandiegouniontribune.com/news/public-safety/sd-me-amber-anniversary-20190211-story.html
https://voiceofsandiego.org/2010/06/13/a-robbery-that-was-really-an-attempted-rape/
https://www.cbs8.com/article/news/local/john-gardner-in-his-own-words-i-could-not-stop-myself/509-a596d3e0-0882-4a32-ac76-a9f3131f4476
https://chelseaslight.org/changemakers/changemakers-in-action/