https://www.instagram.com/twistedstates/Sources:
https://www.grandforksherald.com/the-vault/7073384-One-of-North-Dakotas-wealthiest-farmers-was-also-a-serial-killer
https://en.m.wikipedia.org/wiki/Eugene_Butler_(serial_killer)
https://www.google.com/amp/s/ghostsofnorthdakota.com/2017/06/23/the-strange-tale-of-the-midnight-rider-serial-killer-eugene-butler/%3Famp
https://murderpedia.org/male.B/b/butler-eugene.htm
https://www.patreon.com/DisruptiveGirl