Ronald Clark O'Bryan

https://news.google.com/newspapers?nid=1320&dat=19840401&id=n8ERAAAAIBAJ&pg=6750,28743
https://www.aetv.com/real-crime/the-man-who-killed-halloween
https://abc11.com/candyman-pasadena-trick-or-treat-poison/4574106/
https://news.google.com/newspapers?nid=1734&dat=19750605&id=gOkbAAAAIBAJ&pg=2762,3318693
https://www.newspapers.com/article/the-daily-freeman/61032953/
https://news.google.com/newspapers?nid=1298&dat=19840326&id=9PpNAAAAIBAJ&pg=5217,1118370
https://www.chron.com/neighborhood/article/Candy-Man-s-legacy-still-haunting-today-9774087.php
https://www.pressreader.com/usa/new-york-daily-news/20161030/282097751256925
https://www.9news.com.au/world/ronald-obryan-murdered-son-poison-treats-the-man-who-killed-halloween/111e06dd-aa39-4e74-a11f-83820eba029e
https://breckenridgetexan.com/2021/10/28/looking-into-the-eyes-of-evil-the-day-i-covered-the-execution-of-texas-infamous-halloween-killer/
https://www.npr.org/2023/10/31/1208459235/why-urban-legend-contaminated-halloween-candy-wont-disappear-razor-blade-poison