Sources
https://www.tdcj.texas.gov/death_row/dr_facts.html — Death Row Information | Texas Department of Criminal Justice
https://www.snopes.com/fact-check/pins-and-needles/ – Snopes Fact Check: Pins and Needles in Halloween Candy | snopes
https://en.wikipedia.org/wiki/Ronald_Clark_O%27Bryan – Ronald Clark O’Bryan (biography) | wikipedia
https://www.ctpost.com/news/article/Man-Who-Ruined-Halloween-Recounting-the-14663666.php – “Man Who Ruined Halloween”: Recounting the case | ctpost
https://www.9news.com.au/world/ronald-obryan-murdered-son-poison-treats-the-man-who-killed-halloween/111e06dd-aa39-4e74-a11f-83820eba029e – The man who “killed Halloween” (case overview) | 9news
https://www.click2houston.com/news/investigates/2024/10/31/a-legacy-of-fear-50-years-after-the-candyman-tainted-tick-or-treating/ – 50 Years Later: The Candyman and Tainted Trick-or-Treating | click2houston
https://www.upi.com/Archives/1984/03/25/The-neighbor-who-accompanied-condemned-killer-Ronald-Clark-OBryan/3945449038800/ – 1984 Archive: Neighbor Who Accompanied O’Bryan | UPI
https://breckenridgetexan.com/2021/10/28/looking-into-the-eyes-of-evil-the-day-i-covered-the-execution-of-texas-infamous-halloween-killer/ – Covering the Execution of Texas’s Halloween Killer | breckenridgetexan
https://freedium.cfd/https://medium.com/tftunderworld/the-twisted-tale-of-ronald-clark-obryan-the-man-who-killed-halloween-7c5c39bcf116 – The Twisted Tale of Ronald Clark O’Bryan | freedium (Medium mirror)
https://www.upi.com/Archives/1984/03/30/The-ex-wife-of-Ronald-Clark-OBryan-awaiting-execution-for/6595449470800/ – 1984 Archive: Ex-Wife on O’Bryan Execution | UPI
https://www.offthekuff.com/mt/archives/004392.html – Blog Post: Reflections on the O’Bryan Case | offthekuff
https://texasarchive.org/2017_03761 – Texas Archive Video/Clip Related to Case | texasarchive
https://www.snopes.com/fact-check/halloween-non-poisonings/ – Myth-Busting Halloween Poisonings | snopes
https://www.chron.com/neighborhood/article/Candy-Man-s-legacy-still-haunting-today-9774087.php – “Candy Man” Legacy Still Haunting Today | chron
https://www.nytimes.com/1984/04/01/us/killer-of-son-is-executed-in-texas-after-asking-forgiveness-for-all.html – Killer of Son Executed in Texas | nytimes
https://www.nytimes.com/1974/12/18/archives/trial-set-in-poisoning.html – Trial Set in Poisoning | nytimes
https://www.nytimes.com/1982/10/30/us/around-the-nation-supreme-court-upholds-bar-to-texas-execution.html – Supreme Court Upholds Bar to Texas Execution | nytimes
https://www.nytimes.com/1984/03/31/us/around-the-nation-poisoner-of-son-dies-by-injection-in-texas.html – Poisoner of Son Dies by Injection in Texas | nytimes
https://www.nytimes.com/1974/11/12/archives/texas-man-indicted-in-poisoning-of-son.html – Texas Man Indicted in Poisoning of Son | nytimes
https://www.nytimes.com/1974/11/06/archives/father-is-held-in-halloween-poison-death-of-son-8.html – Father Held in Halloween Poison Death of Son, 8 | nytimes
https://www.nytimes.com/1975/05/29/archives/wife-a-takes-stand-at-husbands-trial-in-sons-poisoning.html – Wife Takes the Stand at Husband’s Trial | nytimes
https://www.chron.com/news/houston-texas/article/Man-Who-Killed-Halloween-still-haunts-holiday-1971811.php – “Man Who Killed Halloween” Still Haunts Holiday | chron
https://people.com/candy-man-killer-timothy-obryan-murder-8732896 – People: The “Candy Man” Killer and Timothy O’Bryan | people
https://www.vice.com/en/article/halloween-killer-ronald-clark-o-bryan-candy-man/ – Vice: The Halloween “Candy Man” Killer | vice
https://www.tdcj.texas.gov/death_row/dr_info/obryanronaldlast.html – TDCJ: Ronald O’Bryan Last Statement | tdcj.texas.gov
https://www.10minutemurder.com/blog/the-pixy-stix-killer-how-ronald-obryan-weaponized-halloween/ – The Pixy Stix Killer: How O’Bryan Weaponized Halloween | 10minutemurder
https://elliemarney.substack.com/p/the-black-hand-vol42 – The Black Hand, Vol. 42 | elliemarney.substack
https://mcqshield.org/2915/showcase/mythbusters-halloween-edition/ – Mythbusters: Halloween Edition | mcqshield
https://www.thetakeout.com/poisoned-halloween-candy-why-parents-fear-for-children-1847818485/ – Poisoned Halloween Candy: Why Parents Fear for Children | thetakeout
https://www.cbc.ca/news/health/halloween-candy-tampering-urban-legend-truth-1.5341734 – CBC News: Halloween Candy Tampering Urban Legend | cbc
https://www.history.com/articles/how-americans-became-convinced-their-halloween-candy-was-poisoned – How Americans Became Convinced Their Halloween Candy Was Poisoned | history.com
https://www.nytimes.com/1964/11/02/archives/li-children-get-poison-treat-accused-housewife-committed.html – LI Children Get Poison Treat; Accused Housewife Committed | nytimes
http://skeptoid.com/blog/2011/10/28/razor-blades-and-apples/ – Razor Blades and Apples: Debunking Halloween Myths | skeptoid
https://www.criminallyintrigued.com/blog/2017/10/29/k251udcg7wjepmcfd2ij4prcp0ebio – Blog: The Candy Man Killer Case Overview | criminallyintrigued