​https://en.wikipedia.org/wiki/Ronald_Clark_O%27Bryan
https://www.aetv.com/real-crime/the-man-who-killed-halloween
https://murderpedia.org/male.O/o1/obryan-ronald-clark.htm https://www.vice.com/en/article/8ge87v/halloween-killer-ronald-clark-o-bryan-candy-man
https://www.statesman.com/news/20161014/35-years-later-memories-of-notorious-halloween-candyman-murder-remain-vivid
https://jclass.umd.edu/archive/newshoax/casestudies/crime/CrimeHalTim7.html
https://abc11.com/candyman-pasadena-trick-or-treat-poison/4574106/