1889 James Maybrick 

https://en.wikipedia.org/wiki/James_Maybrick

https://www.thevintagenews.com/2017/09/02/evidence-growing-that-liverpool-cotton-merchant-and-arsenic-addict-james-maybrick-was-jack-the-ripper/#:~:text=Maybrick's%20own%20death%20in%201889,not%20uncommon%20in%20Victorian%20England.&text=%E2%80%9CArsenic%20is%20addictive%2C%20and%20overwhelming,this%20habit%20to%20his%20grave.%E2%80%9D

https://www.al.com/living/2015/10/an_alabama_woman_was_known_as.html

Clementine Barnabet

https://www.miamighostchronicles.com/stranger-than-fiction/disobedience

http://female-serial-killers-index.blogspot.com/2016/02/clementine-barnabet-study-collection.html

1912 Disappearance of Bobby Dunbar

https://www.history101.com/bobbydunbarmystery/

This American Life? https://www.thisamericanlife.org/352/transcript

https://countryroadsmagazine.com/art-and-culture/history/the-strange-case-of-bobby-dunbar/

1918-19 Axeman of New Orleans

https://en.wikipedia.org/wiki/Axeman_of_New_Orleans

https://www.jrsa.org/projects/Historical.pdf

https://www.openculture.com/2018/10/story-axeman-new-orleans-serial-killer-loved-jazz.html

https://www.nola.com/entertainment_life/vintage/article_14f43f27-1cb0-505e-a0b6-9814d6b13172.html

1927 Trunk Murders

New Orleans https://www.hnoc.org/publications/first-draft/amid-roaring-twenties-new-orleans-brutal-french-quarter-murder-shocked-city

https://www.atlasobscura.com/articles/the-trunk-murders-and-sausage-ghost-of-1920s-new-orleans

Joe Ball

https://en.wikipedia.org/wiki/Joe_Ball

https://www.texasmonthly.com/articles/two-barmaids-five-alligators-and-the-butcher-of-elmendorf/

Whisenhant

https://www.newspapers.com/clip/35644264/venora-hyatt-murderkenneth-curry/

https://www.reddit.com/r/TrueCrime/comments/gx3wur/research_on_thomas_whisenhant/

http://www.clarkprosecutor.org/html/death/US/whisenhant1212.htm

https://www.al.com/live/2002/10/whisenhant.html

https://law.justia.com/cases/alabama/court-of-appeals-criminal/1979/370-so-2d-1080-0.html

Gillis and Lee

https://murderpedia.org/male.L/l/lee-derrick-todd.htm

https://en.wikipedia.org/wiki/Derrick_Todd_Lee#%22Crying_baby%22_rumor

https://www.theadvocate.com/baton_rouge/news/crime_police/article_9397101d-4e88-5d04-a265-ed213c30238f.html

https://murderpedia.org/male.G/g/gillis-sean.htm

https://en.wikipedia.org/wiki/Sean_Vincent_Gillis

http://susanmustafa.com/sean-gillis-victims/

https://killer.cloud/serial-killers/show/176/sean-vincent-gillis