An axe murder is a murder in which the victim was struck and killed by an axe or hatchet.
The following are some notable cases.
A collection of old Australian axes and other cutting tools
Lizzie Borden, about 1890
Police photo of Karl Denke after his suicide by hanging on December 22, 1924 (aged 64)
Funeral for the six victims of Toivo Koljonen on April 4, 1943
Mugshot of serial killer Jake Bird on December 7, 1947
Ramón Mercader killed Leon Trotsky with an ice axe on August 20, 1940