Seven year old Amber Swartz-Garcia disappeared while jumping rope in her front yard one June afternoon in 1988.  Her case has taken many twists and turns, but Amber has never been found. 

https://charleyproject.org/case/amber-jean-swartz-garcia

https://people.com/crime/mom-hopes-dna-testing-can-unlock-answers-about-7-year-old-daughter-abducted-1988/

https://www.nbcbayarea.com/news/local/pinole-police-reopen-amber-swartz-garcia-case/1954922/

https://www.nbcsandiego.com/local/break-to-be-announced-in-missing-childs-case/2098617/

https://sanfrancisco.cbslocal.com/2020/12/19/james-odle-death-row-inmate-dies-natural-causes-contra-costa-murders/

https://law.justia.com/cases/california/supreme-court/3d/45/386.html