This mysterious figure is an infamous serial killer who terrorized the city of New Orleans in the early 20th century. The Axeman was never identified, and the murders he committed remain unsolved to this day. He was known to target Italian-American families, often breaking into their homes and attacking
From Wikipedia
The Axeman of New Orleans was an unidentified American serial killer who was active in and around New Orleans, Louisiana, between May 1918 and October 1919. Press reports during the height of public panic over the killings mentioned similar crimes as early as 1911, but recent researchers have called these reports into question. The attacker was never identified, and the murders remain unsolved.