By which name did Levi Boone Helm become better known?

Levi Boone Helm (January 28, 1828 – January 14, 1864) was a mountain man, gunfighter, swindler, thief and outlaw of the American West better known in time as the “Kentucky Cannibal”. Helm was a serial killer with an unknown number of victims, but at least 11, some of whom he confessed to eating.

Helm reportedly confided to others with whom he was ‘on the run’ that in his past, he had eaten some of his murder victims - "Many's the poor devil I've killed, at one time or another... and the time has been that I've been obliged to feed on some of 'em". This was the first report of cannibalism on the part of Boone Helm (“Vigilante Days and Ways: The Pioneers of the Rockies : the Makers and Making of Montana and Idaho” published in 1912 by Nathaniel Pitt Langford).

Through good fortune, cunning, corruption and resilience, Boone avoided capture and execution on several occasions. However, he was eventually arrested by The Montana Vigilantes along with 4 other members of the Henry Plummer gang, tried in secret, and hanged in Virginia City, Montana on January 14, 1864 in front of a crowd of (unconfirmed) 6,000. When the executioner approached Helm, he allegedly shouted "Every man for his principles! Hurrah for Jeff Davis! Let 'er rip!" and then jumped off of the hangman's box before it could be kicked away (reported in “The Story of the Outlaw; A Study of the Western Desperado”, by Emerson Hough and published in 1907). Boone Helm is buried in Boot Hill cemetery, Virginia City.