This episode is about the murder of Timothy O'Byran on Halloween night in 1974.

https://www.oxygen.com/homicide-for-the-holidays/crime-news/origins-of-poisoned-halloween-candy-myth-explained

https://people.com/candy-man-killer-timothy-obryan-murder-8732896

https://www.hcdistrictclerk.com/Common/HistoricalDocument/pdf/COTM_Oct_2021.pdf

https://www.nytimes.com/1984/04/01/us/killer-of-son-is-executed-in-texas-after-asking-forgiveness-for-all.html

https://murderpedia.org/male.O/o1/obryan-ronald-clark.htm

https://www.nytimes.com/1975/05/29/archives/wife-a-takes-stand-at-husbands-trial-in-sons-poisoning.html