John Du Pont

https://www.mercurynews.com/2014/09/08/the-foxcatcher-murder-the-true-story/
https://www.business2community.com/entertainment/foxcatcher-film-slammed-mark-shultz-wrestler-inspired-01111854
https://www.theguardian.com/film/2015/may/21/mark-schultz-foxcatcher-interview-threatened-to-kill-director
https://www.nytimes.com/1996/02/04/us/a-life-in-pieces-for-du-pont-heir-question-was-control.html
https://www.nytimes.com/2010/12/10/sports/olympics/10dupont.html
https://time.com/3586290/blood-on-the-mat/
https://en.wikipedia.org/wiki/John_du_Pont#Science_career
https://allthatsinteresting.com/john-du-pont-dave-schultz
https://www.telegraph.co.uk/culture/film/11322341/Foxcatcher-the-true-story.html
https://en.wikipedia.org/wiki/Dave_Schultz_(amateur_wrestler)
https://www.newsweek.com/eccentric-heirs-wrestle-death-179902
https://en.wikipedia.org/wiki/Mark_Schultz_(wrestler)
https://www.vulture.com/2016/05/why-mark-schultz-isnt-in-team-foxcatcher.html
https://www.nytimes.com/1988/10/01/sports/the-seoul-olympics-roundup-american-wrestlers-lose-two-matches-and-one-protest.html
https://intermatwrestle.com/articles/832/The-Life-and-Legacy-Dave-Schultz-Chapter-1-The-Day-Wrestling-Died?
http://www.cnn.com/US/9702/25/dupont.verdict/reax.html