On October 21st, 2008, 9 year old Elizabeth Olten vanished less than a mile from her home in St Martins, Missouri after a spur of the moment playdate with one of her best friends. In the frantic search that ensued in the small, close-knit town, no one suspected that an incredibly disturbed killer was closer than they ever could have imagined.
Sources:
https://thecrimewire.com/true-crime/Murderous-Children-Alyssa-Bustamantehttps://www.crimelibrary.org/notorious_murders/young/alyssa_bustamante/1.htmlhttps://allthatsinteresting.com/alyssa-bustamantehttps://fox2now.com/news/missouri/journal-helps-police-find-a-2009-missouri-teen-thrill-killer/https://anitadurairaj.medium.com/the-troubled-teen-who-thought-murder-was-fun-bd452049d4f4