The Axeman of New Orleans

The Axeman of New Orleans terrorized the city in the 1910s, while the world was in the midst of both war and pandemic. Hear about several theories regarding who the Axeman was - are any of them convincing? 

Sources: 
1) https://en.wikipedia.org/wiki/1918
2) https://en.wikipedia.org/wiki/Axeman_of_New_Orleans
3) https://www.smithsonianmag.com/history/axeman-new-orleans-preyed-italian-immigrants-180968037/
4) https://www.legendsofamerica.com/la-axeman/
5) https://www.lsureveille.com/entertainment/louisiana-true-crime-the-new-orleans-axeman-who-murdered-italian-grocers-unfond-of-jazz/article_0a263482-8744-11ec-85de-7b60c0b7252f.html