Accomplice : Vicki 
Sources : 
https://skylarneesemurder.com/court.html
https://krazykillers.wordpress.com/2016/01/05/naive-neese-never-knew-her-enemies/
https://en.wikipedia.org/wiki/Murder_of_Skylar_Neese#Murder
https://medium.com/crimebeat/the-tragic-story-of-skylar-neese-brutally-murdered-by-her-best-friends-8862d9302837
https://abcnews.go.com/US/teenage-killers-eerie-tweets-stabbing-friend-death/story?id=64541231
https://activefugitives.com/the-heartbreaking-murder-of-skylar-neese/
https://abcnews.go.com/2020/video/best-friends-teen-missing-24630197
https://murderpedia.org/female.E/e/eddy-shelia.htm
Audible Book : Pretty Little Killers by Daleen Berry, Geoffrey C. Fuller