https://face2faceafrica.com/article/the-cruel-and-unusual-story-of-willie-francis-the-teen-who-was-executed-twice
https://www.law.cornell.edu/supremecourt/text/329/459
https://theintercept.com/2017/11/19/cruel-and-unusual-a-second-failed-execution-in-ohio/
https://www.nbcnews.com/news/us-news/alva-campbell-inmate-who-survived-execution-try-dies-ohio-prison-n852961
https://www.sfgate.com/opinion/openforum/article/Exonerated-blurs-facts-about-death-penalty-case-2509199.php
https://www.theatlantic.com/magazine/archive/2015/06/execution-clayton-lockett/392069/
https://www.theguardian.com/world/2007/jan/10/usa.suzannegoldenberg
https://newrepublic.com/article/117898/lethal-injection-photos-angel-diazs-botched-execution-florida
https://en.wikipedia.org/wiki/%C3%81ngel_Nieves_D%C3%ADaz
https://www.thesun.co.uk/news/10174623/worst-botched-execution-ever-florida-lethal-injection/
https://en.wikipedia.org/wiki/John_Babbacombe_Lee
https://www.bbc.co.uk/devon/content/articles/2008/09/12/shadowofdoubt_feature.shtml
https://en.wikipedia.org/wiki/Execution_of_Clayton_Lockett
https://en.wikipedia.org/wiki/List_of_botched_executions
https://en.wikipedia.org/wiki/John_Louis_Evans
https://www.quora.com/How-long-does-it-take-to-die-by-electric-chair
https://en.wikipedia.org/wiki/Doyle_Hamm
https://www.nbcnews.com/news/crime-courts/alabama-man-who-survived-botched-execution-will-not-face-another-n860376