The Mad Gasser of Mattoon

https://www.illinoistimes.com/springfield/the-case-of-the-mad-gasser-of-mattoon/Content?oid=11450083
https://www.washingtonpost.com/history/2021/10/30/mad-gasser-mattoon-illinois-mystery/
https://www.theweek.co.uk/news/world-news/us/957868/mystery-mad-gasser-mattoon
https://www.historicmysteries.com/the-mad-gasser/
https://www.eiu.edu/localite/gasserheadlines.php
https://www.eiu.edu/localite/9-2-44.JPG
https://www.eiu.edu/localite/9-6-44.JPG
https://www.eiu.edu/localite/9-11-44.JPG
https://www.eiu.edu/localite/9-9-44.JPG
https://www.eiu.edu/localite/gasserhome.php
https://www.library.illinois.edu/hpnl/blog/the-mad-gasser-of-mattoon/
https://www.youtube.com/watch?v=vrB8hh3YF3A
https://mysteriesrunsolved.com/2020/09/mad-gasser-of-mattoon.html