The Murder of Deborah Palmer

On the morning of March 26, 1997, Deborah was at home, getting ready for school. Her eleven-year-old cousin stopped by to walk her to class, but she wasn’t quite ready yet.
The last words ever known to be spoken by Deborah were: “I’ll be right there. Go on ahead”. She never made it to school that day, and for the next twenty-nine years, her small hometown has been haunted by the question: Who took Deborah Palmer?

Sources: 

1) https://www.fox13seattle.com/washingtons-most-wanted/little-girl-doesnt-show-up-for-school-but-shows-up-days-later-dead-on-a-beach
2) https://www.whidbeynewstimes.com/news/oak-harbor-police-renew-search-for-deborah-palmers-killer/
3) https://www.timesargus.com/news/fears-grow-that-sex-offender-had-other-victims/article_9a271d2a-4aba-5c80-b7e4-5d1e8f61c5aa.html
4) https://www.whidbeynewstimes.com/news/sunday-marks-20-year-anniversary-of-murdered-girls-disappearance/
5) https://www.seattlepi.com/local/sound/article/Mother-of-Deborah-Palmer-holds-out-hope-that-892534.php
6) https://en.wikipedia.org/wiki/Oak_Harbor,_Washington