Arne Cheyenne Johnson is the focus of the next Conjuring movie. He was allegedly possessed by demons that drove him to commit murder, and he would go down as the first attempt to ever claim demonic possession as a defense in a United States courtroom.
Sources for this episode:
https://apnews.com/article/c758c33ba4756f757e1dfec4f0abd39e
http://www.the13thfloor.tv/2016/10/18/the-demon-murder-case-of-arne-cheyenne-johnson/
https://archives.law.virginia.edu/dengrove/writeup/arne-cheyenne-johnson
Discovery Channel's A Haunting
https://allthatsinteresting.com/arne-cheyenne-johnson
https://en.wikipedia.org/wiki/Trial_of_Arne_Cheyenne_Johnson
https://www.courant.com/news/connecticut/hc-250-arne-johnson-20140412-story.html
https://www.youtube.com/watch?v=xpaAdZA5sEs
https://en.wikipedia.org/wiki/Trial_of_Arne_Cheyenne_Johnson
https://www.newstimes.com/news/article/Brookfield-man-sues-over-demon-book-86231.php